K. Shimotakahra, M. Elsayed, K. Hinzer, and M. Erol-Kantarci, Integrated power and D2D communications simulator for future power systems, 7th IEEE Global Conference on Signal and Information Processing (GlobalSIP), November 11-14, 2019, Ottawa. Oral presentation.

K. Hinzer, Photovoltaics for use in energy conversions: From capturing the sun’s rays to transmitting power optically, Carleton University Physics Colloquium Series, November 12, 2019. Invited speaker.

M. R. Lewis, C. E. Valdivia, E. M. Tonita, R.-J. K. Obhi, M. I. Bertoni, and K. Hinzer, Effect of encapsulant on bifacial silicon heterojunction solar cell operation for high latitudes, 29th International Photovoltaic Science and Engineering Conference, November 4, 8, 2019, Shaanxi, China. Oral presentation.

A. C. J. Russell, C. E. Valdivia, M. R. Lewis, J. E. Haysom, and K. Hinzer, Modelling non-uniform irradiance and annual energy yield for single-axis tracked bifacial PV systems with racking, BifiPV Workshop, September 16-18, 2019, Amsterdam, The Netherlans. Non-refereed poster presentation.

K. Hinzer, Designs to further improve multijunction solar cell efficiencies, Canadian Semiconductor Science and Technology Conference, Saskatoon, SK, July 29, 2019. Invited speaker.

E. M. Tonita, C. E. Valdivia, and K. Hinzer, Winter performance of bifacial silicon heterojunction solar cells, Canadian Semiconductor Science and Technology Conference, Saskatoon, SK, July 28 to August 1, 2019. Oral presentation.

G. P. Forcade, C. E. Valdivia, M. Darnon, and K. Hinzer, Nanostructured surfaces in concentrated photovoltaic systems to improve temperature-dependent power output, Canadian Semiconductor Science and Technology Conference, Saskatoon, SK, July 28 to August 1, 2019. Oral presentation.

K. Hinzer, Photonic power converters and photovoltaics: Designs and materials for very high efficiencies, ACerS 2nd Global Forum on Advanced Materials and Technologies for Sustainable Development (GFMAT-2), Toronto, ON, July 22, 2019. Invited speaker.

A. C. J. Russell, C. E. Valdivia, M. R. Lewis, J. E. Haysom, and K. Hinzer, Modelling bifacial solar energy yield for single-axis tracked systems with racking, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Oral presentation. DOI: 10.1109/NUSOD.2019.8807097

E. M. Tonita, A. R. Lewis, C. E. Valdivia, and K. Hinzer, Optimizing bifacial silicon heterojunction solar cells for high-latitudes, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Oral presentation. DOI: 10.1109/NUSOD.2019.8806860

M. R. Lewis, E. M. Tonita, C. E. Valdivia, R.-J. K. Obhi, J. Leslie, K. Hinzer, and M. I. Bertoni, Modelling of bifacial silicon heterojunction solar cells for Arctic applications, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Winner, Best Poster Award.

M. Zamiri, N. Nouri, K. Kaller, M. N. Beattie, M. M. Wilkins, C. E. Valdivia, B. Lessard, Z. R. Wasilewski, and K. Hinzer, Design for fabrication of high efficiency 1310 nm photonic power converter, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Poster presentation.

G. P. Forcade, C. E. Valdivia, P. St-Pierre, M. Darnon, and K. Hinzer, Improving temperature-dependent energy output of concentrator photovoltaic systems using nanotextured surfaces, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Poster presentation.

K. L. C. Kaller, C. E. Valdivia, B. H. Lessard, and K. Hinzer, Design and modelling of photonic power converters with light management in Solcore, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Poster presentation.

N. Nouri, C. E. Valdivia, M. N. Beattie, M. S. Zamiri, and K. Hinzer, Simulation of thin high-efficiency photonic power converters under 1310 nm laser illumination, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Poster presentation.

L. S. Baribeau, C. E. Valdivia, M. M. Wilkins, and K. Hinzer, Modelling of four-junction solar cells with a silicon-germanium-tin subcell, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Poster presentation.

D. Xia, M. N. Beattie, M. C. Tam, M. M. Wilkins, C. E. Valdivia, Z. R. Wasilewski, K. Hinzer, and J. J. Kirch, Detailed balance efficiency of 1310 nm multijunction photonic power converters, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Oral presentation. DOI: 10.1109/NUSOD.2019.8807036

G. M. Hasan, M. Hasan, K. Hinzer, and T. Hall, Optical frequency multiplication technique using cascaded modulator to achieve RF power advantage, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Oral presentation. DOI: 10.1109/NUSOD.2019.8806895

G. M. Hasan, M. Hasan, K. Hinzer, and T. Hall, Vector modulation scheme using three phase modulator, 19th International Conference on Numerical Simulation of Optoelectronic Devices, Ottawa, ON, July 8 to 12, 2019. Oral presentation. DOI: 10.1109/NUSOD.2019.8806843

P. Albert, A. Jaouad, M. Darnon, C. E. Valdivia, M. Volatier, G. Hamon, Y. Deshayes, K. Hinzer, L. Béchou, and V. Aimez, Fabrication & characterization of triple junction monolithic interconnected modules for concentrated photovoltaics, Journées nationales sur l’énergie solaire (Congrès JNES 2019), June 17 to 19, 2019, Annecy-Le-Vieux, France.  Poster presentation.

D. Xia, M. N. Beattie, M. C. Tam, M. M. Wilkins, C. E. Valdivia, Z. R. Wasilewski, K. Hinzer, and J. J. Krich, Opportunitites for high efficiency monochromatic photovoltaic power conversion at 1310 nm, 2019 IEEE 46th Photovoltaic Specialists Conference, Chicago, IL., USA, June 16-21, 2019. Winner, Best Student Presentation Award, Area 1.

M. R. Lewis, E. M. Tonita, C. E. Valdivia, R.-J. K. Obhi, M. I. Bertoni, and K. Hinzer, Angular-dependence of bifacial silicon heterojunction solar cells for high latitudes, 2019 IEEE 46th Photovoltaic Specialists Conference, Chicago, IL., USA, June 16-21, 2019.  Winner, Best Poster Award, Area 4.

C. E. Valdivia and K. Hinzer, Segmented multi-junction solar cells: A new opportunity for cell design & optimization, 2019 IEEE 46th Photovoltaic Specialists Conference, Chicago, IL., USA, June 16-21, 2019. Oral presentation.

E. Tonita, A. Lewis, C. Valdivia, and K. Hinzer, Optimizing bifacial silicon heterojunction solar cells for high-latitude, Photonics North, Québec City, QC, May 21-23, 2019. Oral presentation.

G. Forcade, C. E. Valdivia, M. Darnon, and K. Hinzer, Modeling the incorporation of microbeads into concentrator photovoltaic systems, Photonics North, Québec City, QC, May 21-23, 2019. Oral presentation.

M. Beattie, M. Wilkins, M. C. Tam, C. Valdivia, Z. Wasilewski, and K. Hinzer, Optical characterization of InAlGaAs on InP for monochromatic photonic power conversion, Photonics North, Québec City, QC, May 21-23, 2019. Oral presentation.

R. Cheriton, K. Vyas, N. Mailhot, J. Fattahi, J. Cook, D. Spinello, S. Prawer, and K. Hinzer, Real-time optical beam steering for laser-powered epiretinal prostheses, Photonics North, Québec City, QC, May 21-23, 2019. Poster presentation.

A. J. Russell, C. E. Valdivia, M. R. Lewis, J. E. Haysom, and K. Hinzer, Modelling energy yield including rack shading for single-axis tracked bifacial solar panels, Photonics North, Québec City, QC, May 21-23, 2019. Poster presentation.

M. M. Wilkins, M. N. Beattie, D. Xia, M. C. Tam, M. S. Zamiri, C. E. Valdivia, S. Fafard, D. P. Masson, J. J. Krich, Z. R. Wasilewski, and K. Hinzer, Progress towards vertically stacked InAlGaAs photovoltaic power converters for fiber power transmission at 1310 nm, 1st Optical Wireless and Fiber Power Transmission Conference (OWPT2019), Yokohama, Japan, April 23-25, 2019.

V. Tatsiankou, K. Hinzer, H. Schriemer, and R. Beal, Towards routine measurement and calculation of spectrally corrected DNI for CPV systems, 15th International Conference on Concentrated Photovoltaics Systems, Fes, Morroco, March 25-27, 2019. Oral presentation.

P. Albert, A. Jaouad, M. Darnon, G. Hamon, C. E. Valdivia, M. Volatier, Y. Deshayes, K. Hinzer, L. Béchou, and V. Aimez, High voltage low-current multijunction monolithic interconnected microcells, 15th International Conference on Concentrated Photovoltaics Systems, Fes, Morroco, March 25-27, 2019. Oral presentation.

G. M. Hasan, M. Hasan, P. Liu, D.-G. Sun, K. Hinzer, and T. J. Hall, Energy efficient photonic millimeter-wave generation using cascaded polarization modulators, 18th International Conference on Numerical Simulation of Optoelectronic Devices, Hong Kong, China, November 5, 2018. Poster presentation.

K. Hinzer, Modeling techniques for multijunction solar cells, 18th International Conference on Numerical Simulation of Optoelectronic Devices, Hong Kong, China, November 9, 2018. Invited speaker.

K. Hinzer, High efficiency photovoltaics: Ways to push the efficiencies further, The Optical Society Light, Energy and the Environment Congress Meeting, Sentosa Island, Singapore, November 7, 2018. Invited speaker.

K. Hinzer, “Emerging materials for high efficiency photovoltaics”, The Optical Society Advanced Photonics Congress, Zurich, Switzerland, July 3, 2018. Invited speaker.

P. Albert, A. Jaouad, M. Darnon, C. E. Valdivia, M. Volatier, Y. Deshayes, K. Hinzer, L. Béchou, and V. Aimez, Fabrication & characterization of front-contacted submillimeter solar cells for micro-CPV applications, Journées nationales sur l’Énergie solaire (JNES 2018), June 27-29, 2018, La Doua-Villeurbanne, France. Poster presentation.

D. Xia, M. M. Wilkins, S. S. Chahal, C. E. Valdivia, K. Hinzer, and J. J. Krich, Opportunities for increased efficiency in monochromatic photovoltaic light conversion, World Conference on Photovoltaic Energy Conversion (WCPEC-7), June 10-15, 2018, Waikoloa, HI. Oral presentation.

R. Cheriton, S. Sadaf, Z. Mi, and K. Hinzer, InGaN/GaN quantum dot nanowires on silicon for intermediate band solar cells, World Conference on Photovoltaic Energy Conversion (WCPEC-7), June 10-15, 2018, Waikoloa, HI. Oral presentation.

V. Tatsiankou, K. Hinzer, H. Schriemer, P. McVey-White, and R. Beal, Efficient, real-time global spectral and broadband irradiance acquisition, World Conference on Photovoltaic Energy Conversion (WCPEC-7), June 10-15, 2018, Waikoloa, HI. Poster presentation.

M. N. Beattie, Y. A. Bioud, A. Boucherif, D. Drouin, R. Arès, C. E. Valdivia, and K. Hinzer, III-V multi-junction solar cells on Si substrates with a voided Ge interface layer: A modeling study, World Conference on Photovoltaic Energy Conversion (WCPEC-7), June 10-15, 2018, Waikoloa, HI. Poster presentation.

M. R. Lewis, C. E. Valdivia, C. T. Li, A. Russell, H. P. Schriemer, and K. Hinzer, Bifacial solar panel energy yield in northern Canada, Photonics North, Montréal, QC, Canada, 5-7 June 2018. Poster presentation.  Winner, first prize, poster competition.

P. Albert, A. Jaouad, M. Darnon, C. Laucher, C. E. Valdivia, M. Volatier, Y. Deshayes, K. Hinzer, L. Bechou, and V. Aimez, Front-contacted multijunction micro solar cells: Fabrication and characterization, 14th International Conference on Concentrator Photovoltaic Systems, Puertollano, Spain, 16-18 April 2018. Oral presentation.

C. E. Valdivia and K. Hinzer, Subcell segmentation: A novel method to current match multi-junction solar cells, 14th International Conference on Concentrator Photovoltaic Systems, 16-18 April 2018. Oral presentation.

C. E. Valdivia and K. Hinzer, Current-matching of high-voltage multi-junction solar cells via subcell segmentation, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VII, Photonics West, 10527-11, San Francisco, CA, USA, 31 Jan - 1 Feb 2018. Oral presentation.

C. E. Valdivia, M. N. Beattie, Y. A. Bioud, D. G. Hobson, A. Boucherif, D. Drouin, R. Arès, and K. Hinzer, Mesoporous germanium for high-efficiency photovoltaic cells, 42nd International Conference and Expo on Advanced Ceramics and Composites, Daytona Beach, FL, USA, 22-26 Jan 2018. Invited oral.

S. S. Chahal, M. M. Wilkins, D. P. Masson S. Fafard, C. E. Valdivia, and K. Hinzer, 20-junction photonic power converter performance under non-uniform illumination calculated by 3D distributed circuit model, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI, Photonics West, San Francisco, CA, USA, Jan 2017. DOI: 10.1117/12.2252919. Oral presentation.

P. Albert, M. Darnon, A. Jaouad, C. Laucher, C. E. Valdivia, M. Volatier, Y. Deshayes, K. Hinzer, L. Béchou, and V. Aimez, Submillimeter multijunction solar cells designed for very high concentration photovoltaics, JNTE 2017 – French Symposium on Emerging Technologies for Micro-Nanofabrication, Orléans, France, 20-22 November 2017. Oral presentation.

R. Cheriton, A. Ahnood, A. Bruneau, S. Prawer, and K. Hinzer, Photonic power for bionic implants, Medical Devices Innovation Institute and CREATE-BEST Poster Day, University of Ottawa, Ontario, Canada, 14 September 2017.

P. Sharma and K. Hinzer, Modeling temperature effects in four-junction multijunction solar cells as a function of illumination uniformity, 18th Canadian Semiconductor Science and Technology Conference, CSSTC 2017, Waterloo, Ontario, Canada, 20-24 August 2017. Oral presentation.

M. M. Wilkins, C. E. Valdivia, S. S. Chahal, F. Proulx, P.-O. Provost, D. P. Masson, S. Fafard, M. Ishigaki, and K. Hinzer, Photonic power converter performance used in gate drive power supplies, 18th Canadian Semiconductor Science and Technology Conference, CSSTC 2017, Waterloo, Ontario, Canada, 20-24 August 2017. Oral presentation.

C. E. Valdivia, C. T. Li, A. Russell, R. Li, D. Lekx, M. M. Sepeher, D. Henes, K. Hinzer, and H. P. Schriemer, Bifacial photovoltaic module energy yield calculation and analysis, 44th IEEE Photovoltaic Specialists Conference, Washington, D. C., USA, 25-30 June 2017. Poster presentation.

K. Hinzer, Design of 5 to 20-junction photonic power converters, 19th Photonics North Conference, Ottawa, Ontario, Canada, 6 June 2017. Invited speaker.

L. de la Salle, S. Lukasik, M. Welyhorsky, A. Oyenubi, W. Mok, W. Johnston, and K. Hinzer, Rentable solar power charging systems for low income users, 19th Photonics North Conference, Ottawa, Ontario, 6-8 June 2017. Oral presentation.

S. S. Chahal, C. E. Valdivia, M. M. Wilkins, and K. Hinzer, Analysis of nonuniform illumination in photovoltaic devices by 3D distributed circuit model, 19th Photonics North Conference, Ottawa, Ontario, 6-8 June 2017. Oral presentation.

A. Russell, C. T. Li, C. E. Valdivia, J. Haysom, K. Hinzer, and H. P. Schriemer, Modeling energy yields of bifacial solar panels, 19th Photonics North Conference, Ottawa, Ontario, 6-8 June 2017. Oral presentation.

M. N. Beattie, D. G. Hobson, C. E. Valdivia, K. Hinzer, Y. A. Bioud, A. Boucherif, D. Drouin, and R. Arès, Quasi-monocrystalline Ge as an interface layer for multi-junction solar cells on Si substrates: electrical resistivity and device modelling, 19th Photonics North Conference, Ottawa, Ontario, 6-8 June 2017. Oral presentation.

K. Hinzer, 5 to 20-junction photonic power converters: Materials, designs and performance, 12th Pacific Rim Conference on Ceramic and Glass Technology, Waikoloa, HI, United States, 21-26 May 2017. Invited speaker.

C. E. Valdivia, M. M. Wilkins, S. S. Chahal, F. Proulx, P.-O. Provost, D. P. Masson, S. Fafard, and K. Hinzer, Many-junction photovoltaic device performance under non-uniform high-concentration illumination, CPV-13, 13th International Conference on Concentrator Photovoltaic Systems, Ottawa, Canada, 1-3 May 2017.

M. N. Beattie, Y. A. Bioud, A. Boucherif, D. G. Hobson, R. Arès, D. Drouin, C. E. Valdivia, and K. Hinzer, Quasi-monocrystalline germanium: Electrical resistivity characterization for multi-junction solar cell applications, to CPV-13, 13th International Conference on Concentrator Photovoltaic Systems, Ottawa, Canada, 1-3 May 2017.

R. Cheriton and K. Hinzer, InGaN/GaN quantum dot-nanowire solar cells on silicon for concentrated photovoltaics, CPV-13, 13th International Conference on Concentrator Photovoltaic Systems, Ottawa, Canada, 1-3 May 2017.

V. Tatsiankou, K. Hinzer, H. Schriemer, and R. Beal, Deployment and early results from the CanSIM (Canadian Solar Spectral Irradiance Meter) Network, CPV-13, 13th International Conference on Concentrator Photovoltaic Systems, Ottawa, Canada, 1-3 May 2017.

M. N. Beattie, Y. A. Bioud, A. Boucherif, D. G. Hobson, R. Arès, D. Drouin, C. E. Valdivia, and K. Hinzer, Electrical resistivity of mesoporous and quasi-monocrystalline germanium, Materials Research Society Spring Meeting, Phoenix, Arizona, USA, 17-21 April 2017.

M. Ishigaki, M. Wilkins, S. Fafard, D. P. Masson, C. E. Valdivia, and K. Hinzer, A new optically isolated power converter for 12 V gate drive power supply of high voltage and high speed switching devices, The Applied Power Electronics Conference, Tampa, FL, USA, 26-30 March 2017. Oral presentation. Awarded Best talk, session Design Optimization for High Reliability.

S. S. Chahal, M. M. Wilkins, D. P. Masson, S. Fafard, C. E. Valdivia, and K. Hinzer, 20-junction photonic power converter performance under non-uniform illumination calculated by 3D distributed circuit model, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI, Photonics West, San Francisco, CA, USA, 28 January to 2 February 2017.

R. Cheriton, K. Hinzer, S. Sadaf, and Z. Mi, InGaN/GaN nanostructures for high efficiency solar cells, Schawlow-Townes Symposium on Photonics, University of Ottawa, 6 October 2016.

J. Fattahi, J. Haysom, J. Cook, K. Hinzer, and H. Schriemer, Improved reactive power sharing with adaptive droop control in islanded microgrids, 2016 IEEE Electrical Power and Energy Conference, Ottawa, Ontario, Canada, 12-14 October 2016.

E. Abyad, C. E. Valdivia, K. Hinzer, J. Haysom, and A. Atieh, Modeled estimates of solar direct normal irradiance, in Al-Hanakiyah, Saudi Arabia and Boulder, USA, 2016 IEEE Electrical Power and Energy Conference, Ottawa, Ontario, Canada, 12-14 October 2016.

R. Cheriton, K. Hinzer, S. Sadaf, and Z. Mi, InGaN/GaN nanostructures for high efficiency solar cells, Canadian Association of Physicists Congress, University of Ottawa, Ottawa, Ontario, Canada, 13-17 June 2016.

J. E. Haysom, P. McVey-White, L. de la Salle, K. Hinzer, and H. Schriemer, Multi-year ground-based irradiance dataset in a northern urban climate, 43rd IEEE Photovoltaic Specialists Conference, Portland, Oregon, USA, 5-10 June 2016.

S. Fafard, M. C. A. York, F. Proulx, M. Wilkins, C. E. Valdivia, M. Bajcsy, D. Ban, R. Arès, V. Aimez, K. Hinzer, and D. P. Masson, Ultra-efficient N-junction photovoltaic cell with Voc > 14 V at high optical input powers, (3 pages), 43rd IEEE Photovoltaic Specialists Conference, Portland, Oregon, USA, 5-10 June 2016.

R. Cheriton, J. Krich, and K. Hinzer, InGaN/GaN dot-in-wire nanostructures for intermediate band solar cells, 18th Photonics North Conference, Québec City, Québec, 24-26 May 2016. Oral presentation.

L. de la Salle, J. E. Haysom, P. McVey-White, H. Schriemer, and K. Hinzer, Assessment of shadowband correction using a complete ground measured irradiance dataset, 18th Photonics North Conference, Québec City, Québec, 24-26 May 2016. Oral presentation.

V. Tatsiankou, K. Hinzer, J. E. Haysom, H. Schriemer, and R. Beal, Long term performance analysis of solar spectral irradiance meters, 12th International Conference on Concentrator Photovoltaics, Freiburg, Germany, April 2016. Oral presentation.

P. M. White, P. Besson, J. E. Haysom, M. Baudrit, H. Schriemer, and K. Hinzer, Effects of lens temperature on chromatic aberration and CPV system performance, 12th International Conference on Concentrated Photovoltaics, Freiburg, Germany, April 2016. Oral presentation.

M. M. Wilkins, C. E. Valdivia, S. Fafard, D. P. Masson, and K. Hinzer, Performance impact of luminescent coupling on monolithic 3- to 6- volt phototransducers for photonic power systems, Photonics West, San Francisco, CA, USA, 16 February 2016.

K. Hinzer, C. E. Valdivia, M. M. Wilkins, R. Cheriton, P. Sharma, A. H. Trojnar, H. Schriemer, B. Bouzazi, G. Kolhatkar, A. Boucherif, A. Jaouad, S. Fafard, V. Aimez, R. Arès and J. Gupta, Designs optimisations for concentrated solar systems using dilute nitride four-junction photovoltaics, (1 page) 17th Canadian Semiconductor Science and Technology Conference, Sherbrooke, Québec, Canada, 16-21 August 2015. csstc2015.ca

R. Li, M. Yandt, M. Wilkins, K. Hinzer, J. Haysom, and H. Schriemer, Design of a 35% high concentrating photovoltaic system that operates in both direct and diffuse illumination, (1 page), Photonics North 2015, Ottawa, Ontario, Canada, 9-11 June 2015. www.photonicsnorth.com

K. Hinzer, C. E. Valdivia, M. M. Wilkins, R. Cheriton, P. Sharma, A. H. Trojnar, H. Schriemer, B. Bouzazi, G. Kolhatkar, A. Boucherif, A. Jaouad, S. Fafard, V. Aimez, R. Arès, and J. Gupta, Designs optimisations for concentrated solar systems using dilute nitride four-junction photovoltaics, (1 page) Photonics North, Ottawa, Ontario, Canada, 9-11 June 2015. Invited speaker. www.photonicsnorth.com

V. Tatsiankou, K. Hinzer, H. Schriemer, J. Haysom, and R. Beal, A novel instrument for cost-effective and reliable measurement of solar spectral irradiance, (3 pages), 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA, USA, 14-19 June 2015. Awarded Best Student Paper, Area 3: High Concentration PV – Systems. http://www.ieee-pvsc.org/PVSC42/

M. D. Yandt, K. Hinzer and H. Schriemer, Identifying representative spectra for multi-junction solar cell optimization under annual energy yield maximization, (3 pages), 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA, USA, 14-19 June 2015. http://www.ieee-pvsc.org/PVSC42/

A. Trojnar, C. Valdivia, A. Rahman, R. R. LaPierre, K. Hinzer, and J. J. Krich, Optimization of GaAs nanowire solar cell efficiency via optoelectronic modeling, (4 pages), 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA, USA, 14-19 June 2015. http://www.ieee-pvsc.org/PVSC42/

J. P. D. Cook, P. Sharma, L. de la Salle, F. Carle, P. McVey White, V. Tatskiankou, J. E. Haysom, E. Dragomirescu, H. Schriemer, and K. Hinzer, Refractive concentrator optics architectures, tracker precision, and cumulative energy harvest, (3 pages), 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA, USA, 14-19 June 2015. http://www.ieee-pvsc.org/PVSC42/

P. Sharma, M. Wilkins, H. Schriemer, and K. Hinzer, Optimization of a four junction solar cell CPV system using ray tracing and SPICE modeling, (3pages), 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA, USA, 14-19 June 2015. http://www.ieee-pvsc.org/PVSC42/

V. Tatsiankou, K. Hinzer, J. E. Haysom, H. Schriemer, and R. Beal, Next generation solar spectral irradiance meter with enhanced reliability, 11th International Conference on Concentrator Photovoltaics (CPV-11), Aix-les-Bains, France, 13-15 April 2015. www.cpv-11.org/cms/proceedings.html

C. E. Valdivia, M. M. Wilkins, P. Sharma, R. Cheriton, A. H. Trojnar, G. Kolhatkar, A. Boucherif, A. Jaouad, B. Bouzazi, S. Fafard, V. Aimez, R. Arès, and K. Hinzer, Towards CPV systems using dilute nitride-containing 4-junction solar cells, 11th International Conference on Concentrator Photovoltaics (CPV-11), Aix-les-Bains, France, 13-15 April 2015. www.cpv-11.org/cms/proceedings.html

A. Boucherif, A. Jaouad, R. Cheriton, S. Han, M. M. Wilkins, C. E. Valdivia, J. E. Haysom, K. Hinzer, S. Fafard, V. Aimez, and R. Arès, GaAs solar cells on mesoporous silicon templates, 11th International Conference on Concentrator Photovoltaics (CPV-11), Aix-les-Bains, France, 13-15 April 2015. www.cpv-11.org/cms/proceedings.html

P. McVey White, C. E. Valdivia, M. Yandt, S. Fafard, K. Hinzer, and H. P. Schriemer, Multijunction solar cell analysis with the tunable automated subcell characterization unit, 11th International Conference on Concentrator Photovoltaics (CPV-11), Aix-les-Bains, France, 13-15 April 2015. www.cpv-11.org/cms/proceedings.html

P. McVey White, P. Sharma, P. Besson, M. Baudrit, S. Fafard, H. Schriemer, and K. Hinzer, Effect of nonuniform illumination on triple junction solar cells under concentration, 11th International Conference on Concentrator Photovoltaics (CPV-11), Aix-les-Bains, France, 13-15 April 2015. www.cpv-11.org/cms/proceedings.html

J. P. D. Cook, Robert Li, J. E. Haysom, K. Hinzer and H. Schriemer, TETRA – Thermal Environment by Transient Response Analysis: Auto-calorimetry toward material and structure evolution studies in concentrator photovoltaic cells, 2015 NREL Photovoltaic Module Reliability Workshop, Golden, Colorado, USA, 24-27 February 2015. http://www.nrel.gov/pv/performance_reliability/pvmrw.html

C. E. Valdivia, M. M. Wilkins, B. Bouzazi, A. Jaouad, V. Aimez, D. Masson, S. Fafard, and K. Hinzer, Five-volt vertically-stacked, single-cell GaAs photonic power converter, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IV, Photonics West, San Fransisco, CA, USA, 7-12 February 2015. Invited speaker.

P. McVey White, M. Kelly, N, Amyotte, R. Li, A. H. Trojnar, M. Yandt, and K. Hinzer, Multi-junction solar cell characterization instrument using the fill-factor bias measurement technique, CMC Microsystems Texpo, Gatineau, Québec, Canada, October 2014.

K. Hinzer, M.M. Wilkins, A. H. Trojnar, A.W. Walker, Material selections for high-efficiency lattice-matched and metamorphic multi-junction solar cell designs, International Material Research Society, Cancun, Mexico, 17-21 August 2014. Invited speaker.

K. Hinzer, M.M. Wilkins, A. H. Trojnar, P. Sharma, C.E. Valdivia, J.P.D. Cook, J.E. Haysom, H. Schriemer, and A.W. Walker, High efficiency multi-junction solar cell designs and their Integration in high concentration Solar Systems, Photonics North, Montreal, Québec, Canada, 28-30 May 2014. Invited speaker.

A. H. Trojnar, A. W. Walker, and K. Hinzer, Effects of buffer layer on the performance of an inverted metamorphic III-V GaInP/Ga(In)As/CuInSe2 triple junction solar cell, European Photovoltaic Solar Energy Conference, Amsterdam, The Netherlands, 22-26 September 2014. https://www.photovoltaic-conference.com/conference.html.

P. Sharma, A. H. Trojnar, M. M. Wilkins, A. W. Walker, H. P. Schriemer, and K. Hinzer, Comparative analysis of nonuniform illumination and chromatic aberration in triple and quadruple junction solar cells under concentration using SPICE, European Photovoltaic Solar Energy Conference, Amsterdam, The Netherlands, 22-26 September 2014. https://www.photovoltaic-conference.com/conference.html.

M. M. Wilkins, A. Gabr, P. Sharma, H. P. Schriemer, and Karin Hinzer, 4-junction solar cells with dilute nitrides: Optimization with luminescent coupling, European Photovoltaic Solar Energy Conference, Amsterdam, The Netherlands, 22-26 September 2014. https://www.photovoltaic-conference.com/conference.html.

R. Cheriton, A. H. Trojnar, A. Connie, H. P. Nguyen, Z. Mi, J. J. Krich and K. Hinzer, Electrical and Optical Characterization of Core-Shell InGaN/GaN Nanowire Solar Cells on Si (111), European Photovoltaic Solar Energy Conference, Amsterdam, The Netherlands, 22-26 September 2014. https://www.photovoltaic-conference.com/conference.html.

P. Sharma, M. M. Wilkins, H. Schriemer, and K. Hinzer, Modeling nonuniform irradiance and chromatic aberration effects in a four junction solar cell using SPICE, 40th IEEE Photovoltaic Specialists Conference (PVSC), Denver, Colorado, USA, 8-13 June 2014. http://www.ieee-pvsc.org/PVSC40/.

M. M. Wilkins, A. Gabr, A. H. Trojnar, H. Schriemer, and K. Hinzer, Effects of Luminescent Coupling in Single- and 4-Junction Dilute Nitride Solar Cells, 40th IEEE Photovoltaic Specialists Conference, Denver, USA, 8-13 June 2014. http://www.ieee-pvsc.org/PVSC40/. Finalist in the Best Student Paper Award Competition.

A. M. Gabr, A. H. Trojnar, M. M. Wilkins, T. J. Hall, R. N. Kleiman, and K. Hinzer, Optimization of Bifacial Cells for Upconversion Applications, 40th IEEE Photovoltaic Specialists Conference, Denver, Colorado, USA, 8-13 June 2014. http://www.ieee-pvsc.org/PVSC40/.

D. Frisina, A. M. Gabr, J. Sacks, K. Hinzer, P. Mascher and R. N. Kleiman, A study of sensitizing cerium with silicon nanocrystals for down shifting applications, 40th IEEE Photovoltaic Specialists Conference, Denver, Colorado, USA, 8-13 June 2014. http://www.ieee-pvsc.org/PVSC40/.

K. Hinzer, Developments in multi-junction solar cell designs, Photonics North, Montréal, Québec, Canada, 28-30 May 2014. http://www.conferium.com/wpclients/photon14/. Invited.

P. M. White, M. Kelly, N, Amyotte, R. Li, A. H. Trojnar, M. Yandt, and K. Hinzer, Multi-junction solar cell characterization instrument using the fill-factor bias measurement technique, Next Generation Solar, Montréal, Québec, May 2014.

R. Cheriton, M. M. Wilkins, A. Boucherif, J.E. Haysom, R.M. Beal, O. Thériault, E.W. Walker, J.E. Wheeldon, V. Aimez, R. Arès, T.J. Hall, and K. Hinzer, Design of gallium arsenide solar cells on silicon substrates, 10th International Conference on Concentrating Photovoltaic Systems, Albuquerque, NM, USA, 7-9 April 2014. http://www.cpv-10.org/cms/home.html.

M.D. Yandt, J.P. Cook, K. Hinzer and H.Schriemer, Optical channel variability and acceptance angle in CPV modules studied by active I-V response, 10th International Conference on Concentrating Photovoltaic Systems, Albuquerque, NM, USA, 7-9 April 2014. http://www.cpv-10.org/cms/home.html.

V. Tatsiankou, K. Hinzer, A. Muron, J. Haysom, H. Schriemer, and S. Myrskog, Solar resource assessment with solar spectral irradiance meter, 10th International Conference on Concentrating Photovoltaic Systems, Albuquerque, NM, USA, 7-9 April 2014. http://www.cpv-10.org/cms/home.html.

J. E. Haysom, O. Jafarieh, H. Anis, D. Wright, and K. Hinzer, Updated CPV system costs and learning curve analysis, 10th International Conference on Concentrating Photovoltaic Systems, Albuquerque, NM, USA, 7-9 April 2014. http://www.cpv-10.org/cms/home.html.

F. Carle, A. Muron, J. Mohammed, V. Tatsiankou, S. Myrskog, H. Schriemer, K. Hinzer, and J. Haysom, CPV energy yield prediction accuracy and spectral dependence thereof using multiple distinct test sites, 10th International Conference on Concentrating Photovoltaic Systems, Albuquerque, NM, USA, April 7-9, 2014. http://www.cpv-10.org/cms/home.html.

A.H. Trojnar, J.H. Thibaudeau, A.W. Walker, V. Tatsiankou, and K. Hinzer, The effects of the varying sunlight intensity over the course of a day on the efficiency of Si and GaAs solar cells using Crosslight simulations, CMC Microsystems TEXPO, Gatineau, Québec, Canada, 15-16 October 2013.

F. Asselin Guay, R. Refaey, R. Beal, J. Haysom, H. Schriemer, and K. Hinzer, Cyclage de l’assemblage de cellules à HCPV à l’aide du simulateur solaire XT-30, RIED (Réseau interordre en énergie durable) 2013 Séminaire scientifique, Gatineau, Québec, Canada, 19 June 2013. http://www.riednetwork.org/wp/2013/06/?lang=en.

G. Arbez, A. Walker, M. Wilkins, J. F. Wheeldon, K. Hinzer, and H. Schriemer, 4 junction dilute nitride solar cell optimization: comparing current matching approaches in detailed balance algorithms, 39th IEEE Photovoltaic Specialists Conference, Tampa Bay, FL, USA, 16-21 June 2013.

M. M. Wilkins, A. Walker, J. F. Wheeldon, G. Arbez, H. Schriemer, and K. Hinzer, Design constraints of p-i-n GaAs/InGaAsN dilute nitride sub-cells for 3- and 4- junction solar cell applications under concentrated illumination, 39th IEEE Photovoltaic Specialists Conference, Tampa Bay, FL, USA, 16-21 June 2013.

A. Gabr, A. Walker, J. F. Wheeldon, T. J. Hall, R. N. Kleinman, and K. Hinzer, Numerical modeling of silicon nanocrystal down-shifting layers for enhanced photovoltaic efficiency, 39th IEEE Photovoltaic Specialists Conference, Tampa Bay, FL, USA, 16-21 June 2013.

J. Mohammed, M. Yandt, M. Wilkins, A. Muron, T. J. Hall, J. F. Haysom, K. Hinzer, and H. Schriemer, Collection and storage of direct spectral irradiance and DNI datasets with high temporal resolution for CPV energy yield assessments, 39th IEEE Photovoltaic Specialists Conference, Tampa Bay, FL, USA, 16-21 June 2013.

P. Sharma, J. F. Wheeldon, A. W. Walker, H. Schriemer, and K. Hinzer, Optimization of finger spacing for concentrator photovoltaic cells under non-uniform illumination using SPICE, Photonics North, Ottawa, Ontario, Canada, 3-5 June 2013. http://www.ieeeottawa.ca/2013/06/photonics-north-2013/.

V. Tatsiankou, K. Hinzer, A. Muron, J. Mohammed, J. Haysom, H. Schriemer, and S. Myrskog, Reconstruction of solar spectral resource using limited spectral sampling for concentrating photovoltaic systems, Photonics North, Ottawa, Ontario, Canada, 3-5 June 2013. http://www.ieeeottawa.ca/2013/06/photonics-north-2013/. 2nd place winner of the 2013 IEEE Ottawa Photonics Student Best Paper Awards.

J. P. D. Cook, M. D. Yandt, M. Kelly, J. F. Wheeldon, K. Hinzer, and H. Schriemer, Shutter array technique for real-time non-invasive extraction of individual channel responses in multi-channel CPV modules, Photonics North, Ottawa, Ontario, Canada, 3-5 June 2013. http://www.ieeeottawa.ca/2013/06/photonics-north-2013/.

F. Bouchard, A. W. Walker, K. Hinzer, Modeling of single crystalline Cu(In, Ga)Se2 single junction solar cell grown on a GaAs substrate, Photonics North 2013, Ottawa, Ontario, Canada, 3-5 June 2013. http://www.ieeeottawa.ca/2013/06/photonics-north-2013/.

O. Thériault and K. Hinzer, Fabry-Perrot interference fringes in the reflectivity of solar cells, Next Generation Solar Photovoltaics Canada 2013, Hamilton, Ontario, Canada, 8-10 May 2013. http://www.cansia.ca/events/next-generation-solar-2013.

A.M. Gabr, A. Walker, R.N. Kleiman, and K. Hinzer, Challenges in realizing next generation spectral conversion for enhanced silicon solar cell performance, Next Generation Solar Photovoltaics Canada 2013, Hamilton, Ontario, Canada, 8-10 May 2013. http://www.cansia.ca/events/next-generation-solar-2013.

B. Paquette, V. Aimez, R. Arès, A. Boucherif, M. DeVita, S. Fafard, K. Hinzer, A. Jaouad, G. Kolhatkar, O. Thériault, A. Turala, C. Valdivia, A. Walker, S. Wallace, and J. Wheeldon, Chemical beam epitaxy of AlGaAs/GaAs tunnel junctions using trimethyl aluminium for multijunction solar cells, 9th International Conference on Concentrating Photovoltaic Systems, Miyazaki, Japan, 15-17 April 2013. http://www.cpv-9.org/cms/welcome.html

J. E. Haysom, O. Jafarieh, H. Anis, and K. Hinzer, System cost and learning curve analysis of CPV, 9th International Conference on Concentrating Photovoltaic Systems, Miyazaki, Japan, 15-17 April 2013. http://www.cpv-9.org/cms/welcome.html.

M. D. Yandt, J. P. D. Cook, J. F. Wheeldon, H. Schriemer and K. Hinzer, Shutter technique for identification and characterization of underperforming cells in CPV modules, 9th International Conference on Concentrating Photovoltaic Systems, Miyazaki, Japan, 15-17 April 2013. http://www.cpv-9.org/cms/welcome.html.

R. M. Beal, E. Graf, F. Asselin-Guay, J. F. Wheeldon, J. E. Haysom, and K. Hinzer, High intensity light-cycling of HCPV cell assemblies using the XT-30 solar simulator, 9th International Conference on Concentrating Photovoltaic Systems, Miyazaki, Japan, 15-17 April 2013. http://www.cpv-9.org/cms/welcome.html.

H. Schriemer and K. Hinzer, Third Generation Strategies in High Efficiency Solar Cell and System Design, 2013 Annual Meeting of the Fitzpatrick Institute for Photonics (FIP), Duke University, Durham, NC, USA, 11-12 March, 2013. http://www.fitzpatrick.duke.edu/2012-2013-fip-annual-symposium. Invited.

K. Hinzer, Developments in High Efficiency Photovoltaic Systems, Annual Sustainability Seminar Professional Engineers, Ontario – Ottawa Chapter, Ottawa, Ontario, Canada, 24 January 2013. http://www.ottawa.peo.on.ca/Public/pmwiki.php/Main/PastEvents. Invited.

J. F. Wheeldon, R. M. Beal, and K. Hinzer, Third Generation Strategies to Move Beyond the Current Paradigms in Solar Cell Design, Materials Research Society (MRS) 2012 Fall Meeting, 26-30 November 2012, Boston, MA, USA. E11.04. http://www.mrs.org/fall2012/. Invited.K. Hinzer, Concentrated photovoltaic systems, 12th Emerging Information and Technology Conference, Toronto, Canada, 16-17 August 2012. http://www.eitc.org/conferences/eita-eitc-2012. Invited but declined due to conflict.

J. Mohammed, R. M. Beal, A. Muron, M. Yandt, K. Hinzer, and H. Schriemer, Modelling Ottawa solar radiation with parameters extracted from measured direct normal solar irradiance, Photonics North, Montreal, Canada, 6-8 June 2012. http://www.conferium.com/Clients/photon/index.php.

J. Sacks, R. M. Savidge, A. Gabr, A. Walker, R. M. Beal, J. F. Wheeldon, A. P. Knights, P. Mascher, K. Hinzer, and R. N. Kleiman, Quantum efficiency measurements of down-shifting using silicon nanocrystals for photovoltaic applications, 38th IEEE Photovoltaics Specialist Conference, Austin, Texas, USA, 3-8 June 2012. http://www.ieee-pvsc.org/PVSC38/.

A. M. Gabr, J. F. Wheeldon, A. Walker, R. Beal, J. Sacks, R. M. Savidge, T. J. Hall, R. N. Kleiman and K. Hinzer, Modeling down-conversion and down-shifting for photovoltaic applications, 38th IEEE Photovoltaics Specialist Conference, Austin, Texas, USA, 3-8 June 2012. http://www.ieee-pvsc.org/PVSC38/.

M. D. Yandt, J. Cook, H. Schriemer and K. Hinzer, Correcting for effect of bias on cell junction temperature during on-sun current-voltage measurements, Next Generation Photovoltaics, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

M. D. Yandt, J. F. Wheeldon, J. Cook, H. Schriemer and K. Hinzer, Correcting for effect of bias on cell junction temperature during light current-voltage measurements, Next Generation Solar, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

A. Walker, A. Coathup, O. Thériault, H. M. Myers, J. F. Wheeldon, Z. Mi, I. Shih, and K. Hinzer, Modeling of CuInxGa1-xSe2 solar cells for applications in multi-junction solar cell technologies, Next Generation Solar, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

O. Thériault, A. Walker, J. F. Wheeldon, and K. Hinzer, Simulated quantum dot enhanced multijunction solar cell for increased efficiency over concentration, Next Generation Solar, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

A. M. Gabr, R.M. Beal, A. Walker, J. F. Wheeldon, J. Sacks, R. M. Savidge, T. J. Hall, R. N. Kleiman and K. Hinzer, Modeling of down-conversion and down-shifting layers for enhanced silicon solar cell performance, Next Generation Solar, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

G. Kolhatkar, M. Wilkins, A. Turala, B. Paquette, A. Boucherif, A. Jaouad, K. Hinzer, V. Aimez, and R. Arès, Effect of Te on the Performance of GaAs/GaAs Tunnel Junctions Grown by Chemical Beam Epitaxy for Photovoltaic Applications, Next Generation Solar, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

S. Schicho, M. Wilkins, A. Turala, A. Jaouad, A. Boucherif, A. Walker, J. F. Wheeldon, K. Hinzer, R. Arès, and V. Aimez, CPV solar cells with ultra thin Ge substrates, Next Generation Solar, Photovoltaics Canada, Montreal, Quebec, Canada, 14-15 May 2012. http://www.nextgenerationsolar.ca/gradschool.php.

R. M. Beal, A. Muron, J. Mohammed, J. Haysom, S. Myrskog, and K. Hinzer, Beyond the 45th parallel: northern climate direct normal incidence data and analysis, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 16-18 April 2012. http://www.cpv-8.org/cms/.

M. D. Yandt, J. F. Wheeldon, R. Beal, A. W. Walker, O. Thériault, H. Schriemer, T. J. Hall and K. Hinzer, Estimating cell temperature in a concentrating photovoltaic system, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 16-18 April 2012. http://www.cpv-8.org/cms/.

O. Thériault, A. Walker, M. D. Yandt, J. F. Wheeldon and K. Hinzer, The effect of quantum dot layers on the efficiency of multijunction solar cells under concentration, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 16-18 April 2012. http://www.cpv-8.org/cms/.

S. Schicho, M. Wilkins, A. Turula, A. Jaouad, A. Boucherif, A. Walker, J. F. Wheeldon, K. Hinzer, R. Arès and V. Aimez, Effect of Ge substrate thinning on CPV solar cell performance, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 16-18 April 2012. http://www.cpv-8.org/cms/.

O. Arenas, A. Voissier, J. F. Wheeldon, F. Proulx, K. Hinzer, A. Dollet, A. Perona, V. Aimez and R. Arès, Comparison of current-voltage response of triple junction solar cells using continuous-high concentration beams from artificial and natural light sources, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 16-18 April 2012. http://www.cpv-8.org/cms/.

G. Kolhatkar, M. Wilkins, A. Turula, B. Paquette, A. Boucherif, A. Jaouad, K. Hinzer, V. Aimez, R. Arès, Chemical beam epitaxy growth of GaAs/GaAs tunnel junctions for multi-junction solar cells, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 16-18 April 2012. http://www.cpv-8.org/cms/.

R. M. Beal, S. Chow, F. Asselin Guay, E. Graf, A. Muron, M. Yandt, J. F. Wheeldon, S. Myrskog, J. E. Haysom, T. J. Hall, K. Hinzer, High intensity light-cycling of HCPV cell assemblies using the XT-30 solar simulator, PV Module Reliability Workshop, National Renewable Energy Laboratory, Golden, Colorado, USA, 28 February to 1 March 2012. Winner for best poster

.P. Sharma, J. F. Wheeldon, M. D. Yandt, J. Cook and K. Hinzer, Comparative analysis of secondary optics for concentrated photovoltaic systems, Graduate Studies and Research Day, University of Ottawa, Ottawa, Canada, 9 February 2012.

K. Hinzer, Photovoltaic systems, Professional Engineers of Ontario Student Conference, Ottawa, Canada, 11-13 November 2011. http://www.peosc.org. Invited.

K. Hinzer, Energy harvesting using above 40% efficient solar cells, CMC-Microsystems Symposium, Energy Matters, 19-20 October 2011, Gatineau, Quebec, Canada. https://www.cmc.ca/en/WhatWeOffer/Products/CMC-00200-01785.aspx. Invited.

A. Gabr, A. Walker, R. Beal, J. F. Wheeldon, J. Sacks, R. Savidge, T. J. Hall, R. Kleiman and K. Hinzer, Optimal band gap simulations for solar cell efficiency improvement using down converters, Nano-Ontario, Hamilton, Ontario, Canada, 15-16 October 2011.

S. D’Souza, J. Haysom, H. Anis, K. Hinzer, The down-to-earth future of Si substrate multi-junction concentrator photovoltaics, IEEE Electrical Power and Energy Conference, Winnipeg, Manitoba, Canada, 3-5 October 2011.

A. W. Walker, J. F. Wheeldon, O. Thériault, M. Yandt, and K. Hinzer, Temperature dependent external quantum efficiency simulations and experimental measurement of GaInP/GaAs/Ge solar cells, 37th IEEE Photovoltaic Specialist Conference, Seattle, WA, USA, 19-24 June 2011. http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=17397.

R. Beal on behalf of K. Hinzer, Powering Remote Nodes: is concentrating Photovoltaics an option?, International Symposium on Green Radio over Fibre & All Optical technologies for Wireless Access Networks, Brest, France, 15-17 June 2011. http://conferences.telecom-bretagne.eu/growan2011. Invited.

J. F. Wheeldon, R. Beal, A. Walker, O. Theriault, M. Yandt, F. Proulx, J. Haysom, K. Hinzer, Quantum Dot Enhanced Multi-Junction Solar Cells, the Next Generation of High Efficiency Solar Cells, Canadian Association of Physicists Congress, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada, 13-17 June 2011. http://www.cap.ca/en/congress/2011. Invited.

J. F. Wheeldon, A. W. Walker, O. Thériault, M. Yandt, and K. Hinzer, Numerical simulations of temperature dependence of high-efficiency multi-junction solar cells, under concentrated sunlight, Integrated Photonics Research, Silicon and Nanophotonics, Toronto, Ontario, Canada, 12-16 June 2011. http://www.opticsinfobase.org/browseconferences.cfm?meetingid=116&strYr=2011&acronym=IPR.

J. Brar, V. Veilleux, P. Krug, K. Hinzer, C. Ni. Allen, and H. Schriemer, Photoluminescence of strain-engineered CdSe/Cd0.5Zn0.5S core/shell colloidal quantum dots, Integrated Photonics Research, Silicon and Nanophotonics, Toronto, Ontario, Canada, 12-16 June 2011. http://www.opticsinfobase.org/browseconferences.cfm?meetingid=116&strYr=2011&acronym=IPR.

E. Graf, R. Beal, K. Hinzer, R. King, V. Tatsiankou, A. Bulat, M. Njau, C. E. Valdivia, E. Reid, and C. Bell, Photovoltaic arrays for planetary rovers, CIPI 2011 AGM, Ottawa, Ontario, Canada, 18-20 May 2011. http://www.cipi.ulaval.ca/events/annual_general_meeting/agm_2010/.

A. Muron, S. Chow, J. Wheeldon, K. Hinzer and H. Schriemer, Thermal optimization of a solar cell carrier for concentrator systems, Photonics North, Ottawa, Ontario, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011.

M. Armstrong, J. Berrios, A. Carlson, T. Cassidy, J. Cook, S. Fafard, T. J. Hall, K. Hinzer, E. Linke, L. Motte, L. Patti, F. Shepherd, M. C. Swinton, F. Szadkowski, C. Valdivia, S. Wallace, and M. Yandt, Demonstration of triple junction solar cells using nanostructures in the SUNRISE concentrator system at the Canadian Centre for Housing Technology, Photonics North, Ottawa, Ontario, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011.

V. Aimez, R. Ares, K. Hinzer, G. Kolhatkar, C. Valdivia, J. Wheeldon, Equivalent time-dependent nonlinear circuit for AlGaAs tunnel junctions in high-efficiency multi-junction solar cells, Photonics North, Ottawa, Ontario, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011.

R. Homier, A. Turala, G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, F. Proulx, D. Masson, S. Fafard, S. G. Wallace, K. Hinzer, A. Jaouad, R. Ares, V. Aimez, Chemical passivation and antireflection coating of triple-junction III-V/Ge solar cells with indium tin oxide electrode, Photonics North, Ottawa, Ontario, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011.

M. Wilkins, R. Beal, J. E. Haysom, J. F. Wheeldon, D. Balachandreswaran, S. Myrskog, T. J. Hall, and K. Hinzer, Design of a multiplexer to characterize individual optics at a concentrating photovoltaic test site, Photonics North, Ottawa, Ontario, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011.

G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, R. Arès, V. Aimez and K. Hinzer, Determination of the maximum tunnelling peak current density for AlGaAs/AlGaAs tunnel junctions for high-efficiency multi-junction solar cells, Photonics North, Ottawa, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011.

K. Hinzer, High efficiency photovoltaics: design for concentrator systems, Photonics North, Ottawa, Ontario, Canada, 16-18 May 2011. http://www.cansia.ca/events/photonics-north-2011. Invited.

J. F. Wheeldon, R. Beal, A. Walker, O. Theriault, M. Yandt, F. Proulx, J. Haysom, K. Hinzer, Calibrated high efficiency testing and modelling methodologies for concentrated multi-junction solar cells, 29th VLSI Test Symposium, Dana Point, California, USA, 1-5 May 2011. http://www.informatik.uni-trier.de/~ley/db/conf/vts/vts2011.html. Invited.

O. Thériault, J. F. Wheeldon, A. Walker, P. Bitar, M. Yandt, C. E. Valdivia, and K. Hinzer, Temperature-dependent quantum efficiency of quantum dot enhanced multi-junction solar cells, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/

M. D. Yandt, J. F. Wheeldon, C. E. Valdivia, S.Chow, O. Theriault, A. Johnson, G. F. Szadkowski, M. Armstrong, L. Motte, T. Cassidy, I. Sivillà, J. Berrios, B. Rosier, S. G. Wallace, S. Fafard, M. Swinton, F. Shepherd, J. Cook, and K. Hinzer, A new on-sun test facility at the ‘SUNRISE’ quantum-dot-enhanced CPV module demonstration system, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/.

R. Beal, J. F. Wheeldon, J. Haysom, M. Wilkins, M. Yandt, S. Myrskog, J. P. Morgan, H. Navarro, T. J. Hall, and K. Hinzer, A multi-kilowatt CPV installation employing low-cost, highly concentrating wave-guiding optics, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/

J. F. Wheeldon, C. E. Valdivia, S. Chow, O. Theriault, A. Walker, M. Yandt, D. Masson, B. Riel, D. McMeekin, N. Puetz, S. G. Wallace, V. Aimez, R. Ares, T. J. Hall, S. Fafard, and K. Hinzer, Efficiency measurements of GaInP/InGsAs/Ge Quantum dot enhanced solar cells at up to 1000-suns under flash and continuous concentration, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/

R. Homier, A. Turula, G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, F. Proulx, A. Jaouad, D. Masson, S. Fafard, S. Wallace, K. Hinzer, R. Arès, and V. Aimez, Low frequency PECVD of SiNx for passivation and antireflection coating of triple-junction III-V/Ge solar cells, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/

O. Arenas, V. Aimez, R. Arès, S. Chow, L. Collin, L. Fréchette, K. Hinzer, and F. Proulx, High performance CPV module development using temperature sensors, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/.

A. Turala, R. Homier, G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, F. Proulx, A. Jaouad, D. Masson, S. Fafard, S. G. Wallace, K. Hinzer, R. Arès, and V. Aimez, Transparent indium tin oxide (ITO) front-side electrode for low-cost multijunction solar cells, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, NV, USA, 4-6 April 2011. http://www.cpv-7.org/cms/

K. Hinzer, Canada research chairs: thinking ahead for a strong future Conference Series; and Panel Discussion: Canada’s energy future – what will Ontario’s energy plan of 2050 look like?, The Public Policy Forum, in collaboration with the Council of Ontario Universities and the Canada Research Chairs Secretariat. Toronto, Ontario, Canada, 24-25 November 2010. Invited.

K. Hinzer, High efficiency solar cell design and testing, 2010 Canada-Taiwan Symposium in renewable Energy Technologies, Ottawa, Ontario, Canada, 23-24 October 2010. Invited.

K. Khan, Q. Zheng, D. Ioan, A. Benhsaien, S. Abdul-Majid, T. J. Hall and K. Hinzer, O-band semiconductor optical amplifier design for CWDM applications, CMC-Microsystems TEXPO, Ottawa, Ontario, Canada, 4-6 October 2010. http://www.cmc.ca/en/NewsAndEvents/PastEvents/2010-2011Events/Symposium2010/TEXPO.aspx

A. Johnson, M. Yandt, C. Valdivia, and K. Hinzer, Remote data acquisition system for SUNRISE solar concentrator system and monitoring technologies: integrated server software, CMC-Microsystems TEXPO, Ottawa, Ontario, Canada, 4-6 October 2010. http://www.cmc.ca/en/NewsAndEvents/PastEvents/2010-2011Events/Symposium2010/TEXPO.aspx

A. Muron, S. Chow, C. E. Valdivia, J. F. Wheeldon, and K. Hinzer, Thermal management of high efficiency multi-junction solar cells for concentrator systems, CMC-Microsystems TEXPO, Ottawa, Ontario, Canada, 4-6 October 2010.

K. Hinzer, Photovoltaics using nanostructures for above 40% conversion efficiencies, International Conference on Nanotechnology: Fundamentals and Applications, Ottawa, Ontario, Canada, 4-6 August 2010. http://www.international-aset.com/2010_nanotechnology_conference/about_conference.html. Keynote speaker.

K. Hinzer, Semiconductor optoelectronics: Lasers for photonic integration, broadband optical amplifiers, high efficiency photovoltaics, CMC-Microsystems, Kingston, Ontario, Canada, 29 July 2010. Invited

O. Arenas, L.-M. Collin, S. Chow, J. F. Wheeldon, C. E. Valdivia, K. Hinzer, L. Frechette, V. Aimez, and R. Arès, Comparative thermal analysis of solar cells mounted on ceramic and metallic carriers and their optimization for CPV applications, (5 pages), 35th IEEE Photovoltaics Specialists Conference, Honolulu, Hawaii, USA, June 2010. 2998-3002. ieeexplore.ieee.org.

C. E. Valdivia, J. F. Wheeldon, A. J. SpringThorpe, F. Shepherd, B. Riel, S. Fafard, V. Aimez, R. Arès, J. Cook, T. J. Hall, and K. Hinzer, Measurement of high efficiency 1 cm2 AlGaInP/InGaAs/Ge solar cells with embedded InAs quantum dots at up to 1000 suns continuous concentration, 35th IEEE Photovoltaic Specialists Conference, Honolulu, USA, Abstract 311, June 2010. http://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=16123

J. F. Wheeldon, C. E. Valdivia, D. Masson, F. Proulx, B. Riel, N. Puetz, E. Desfonds, S. Fafard, B. Rioux, A. J. SpringThorpe, R. Arès, V. Aimez, M Armstrong, M. Swinton, J. Cook, F. Shepherd, T. J. Hall, and K. Hinzer, High efficiency commercial grade 1 cm2 AlGaInP/GaAs/Ge solar cells with embedded InAs quantum dots for concentrator demonstration system, Photonics North, Niagara Falls, Ontario, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html Invited.

G. Arbez, J. F. Wheeldon, A. Walker, K. Hinzer and H. Schriemer, Modeling and simulation of triple junction solar cells, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

A. Walker, J. F. Wheeldon, C. E. Valdivia, G. Kolhatkar, and K. Hinzer, Modelling and simulation of AlGaAs, GaAs and InGaP tunnel junctions for concentrator multi-junction solar cells, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

O. Theriault, A. J. SpringThorpe, J. F. Wheeldon, C. E. Valdivia, B. J. Riel, and K. Hinzer, InGaAs/GaAs quantum dot characterization for use in multi-junction solar cells under concentration, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, S. Fafard, A. Turala, A. Jaouad, R. Arès, V. Aimez, and K. Hinzer, Time-dependant analysis of AlGaAs/AlGaAs tunnel junctions for high efficiency multi-junction solar cells, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

S. Chow, C. E. Valdivia, J. F. Wheeldon, R. Arès, O. J. Arenas, V. Aimez, and K. Hinzer, Thermal test and simulation of alumina receiver with high efficiency multi-junction solar cell for concentrator systems, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

O. Arenas, L. M. Collin, V. Aimez, S. Chow, C. E. Valdivia, J. F. Wheeldon, K. Hinzer, and R. Arès, Investigation of electrical and thermal characteristics of cell carriers for high concentration photovoltaic applications, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

A.Turala, P. Demolon, G. Kolhatkar, C.E. Valdivia, A. Jaouad, D. Masson, S. Fafard, K. Hinzer, R. Arès, and V. Aimez, Transparent indium tin oxide front-side electrode for high efficiency multi-junction III-V/Ge solar cells, Photonics North, Photovoltaics Canada First Scientific Conference, Niagara Falls, Ontario, Canada PV-Poster-1-3, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

A. Benhsaien, K. Dridi, H. Schriemer, K. Hinzer and T. Hall, Performance and fabrication-tolerance optimization of embedded laterally-coupled distributed feedback gratings, Photonics North, Niagara Falls, Ontario, Canada, OPTO-1-3-3, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

K. Dridi, D. Ioan, H. Schriemer, K. Hinzer and T. Hall, On the performance of fabricated third order laterally coupling distributed feedback 1310 nm lasers, Photonics North, Niagara Falls, Ontario, Canada, LASE-1-1-3, 2010. http://photonicssociety.org/newsletters/apr10/PhotonicsNorth.html

K. Hinzer, Comment augmenter l’efficacité de cellules solaires à multiples jonctions au-dessus de 40%?, 78e Congrès de l’association francophone pour le savoir (Acfas), Montréal, Quebec, Canada, 12 mai 2010. Invited.

O. Arenas, V. Aimez, S. Chow, C. Valdivia, J. F. Wheeldon, K. Hinzer, A. Turala, and R. Arès, Advances in cell carriers for CPV applications, 6th International Conference on Concentrating Photovoltaic Systems, Freiburg, Germany. P 75. 7 April 2010. http://www.cpv-6.org/cms/

J. F. Wheeldon, C. E. Valdivia, A. Walker, G. Kolhatkar, T. J. Hall, D. Masson, B. Riel, S. Fafard, A. Jaouad, A. Turula, R. Arès, V. Aimez, and K. Hinzer, GaAs, AlGaAs and InGaP tunnel junctions for multi-junction solar cells under concentration: resistance study, 6th International Conference on Concentrating Photovoltaic Systems, Freiburg, Germany. P 66. 7 April 2010. http://www.cpv-6.org/cms/

J. F. Wheeldon, C. E. Valdivia, H. Schriemer, T. J. Hall, and K. Hinzer, Research in photonic crystals and high efficiency solar cells at the University of Ottawa, Department of Electronics and Electrical Engineering, University of Glasgow, Scotland, 2010. Invited.