**T. J. Coathup, M. R. Lewis, A. C. J. Russell, A. Conesa, J. Guerrero-Perez, C. E. Valdivia, and K. Hinzer**, *Impact of reflective torque tube on rear side irradiance in bifacial photovoltaic modules*, SPIE Photonics West 2022, San Francisco, CA, January 22-27, 2022. DOI: 10.1117/12.2615658, hdl.handle.net/10393/43517

**N. Anderson, V. Tatsiankou, K. Hinzer, R. Beal, and H. Schriemer**, *Probabilistic description of short-term cloud dynamics from rapid sampling of the solar spectral irradiance*, SPIE Photonics West 2022, San Francisco, CA, January 22-27, 2022. DOI: 10.1117/12.2616231, hdl.handle.net/10393/43519

**R.-J. K. Obhi, S. W. Schaefer, C. E. Valdivia, P. J. Poole, J. Liu, Z. Lu, and K. Hinzer**, *Height distributions of uncapped InAs/InGaAsP/InP quantum dashes and their effect on emission wavelengths*, SPIE Photonics West 2022, San Francisco, CA, January 22-27, 2022. DOI: 10.1117/12.2609954, hdl.handle.net/10393/43518

**A. B. Poungoué Mbeunmi, A. Turala, R. Arvinte, C. E. Valdivia, K. Hinzer, V. Aimez, R. Arès, A. Boucheria, S. Fafard**, *Development of dual junction GaInP/GaAs solar cells for high-performance concentrator photovoltaic quad-junction III-V/IV*, SPIE Photonics West Opto 2021, San Francisco, California, March 6-11, 2021. DOI: 10.1117/12.2578808

**R. F. H. Hunter, C. E. Valdivia, L. S. Baribeau, K. Hinzer,** *Subcell segmentation for the optimization of a four-subcell multijunction solar cell design*, OSA Advanced Photonics Congress, July 13-16, 2020. DOI: 10.1364/PVLED.2020.PvM2G.6

**E. M. Tonita, M. R. Lewis, C. E. Valdivia, M. I. Bertoni, and K. Hinzer**, *Temperature-dependent carrier generation and recombination rates in bifacial silicon heterojunction solar cells*, OSA Advanced Photonics Congress, July 13-16, 2020. DOI: 10.1364/PVLED.2020.PvTu2G.4

**V. Tatsiankou, K. Hinzer, H. Schriemer and R. Beal**, *Improved global irradiance decomposition by sky condition classification from measured spectral clearness indices*, 2020 IEEE 47th Photovoltaic Specialists Conference, Calgary, AB, June 14-19, 2020. DOI: 10.1109/PVSC45281.2020.9300629

**M. R. Lewis, A. C. J. Russell, C. E. Valdivia, J. E. Haysom, M. I. Bertoni, and K. Hinzer**, *Impact of air mass on energy yield calculation for bifacial silicon heterojunction photovoltaic modules in high-latitude conditions*, 2020 IEEE 47th Photovoltaic Specialists Conference, Calgary, AB, June 14-19, 2020. DOI: 10.1109/PVSC45281.2020.9300441

**E. M. Tonita, C. E. Valdivia, and K. Hinzer**, *Study of carrier transport in bifacial silicon heterojunction solar cells under high air mass illumination*, 2020 IEEE 47th Photovoltaic Specialists Conference, Calgary, AB, June 14-19, 2020. DOI: 10.1109/PVSC45281.2020.9300663

**M. N. Beattie, M. Zamiri, K. L. C. Kaller, M. M. Wilkins, C. E. Valdivia, D. Xia, M. C. Tam, H. Kim, J. J. Krich, Z. Wasilewski, and K. Hinzer**, *Two-junction III-V photonic power converter operating at monochromatic telecom wavelengths*, 2020 IEEE 47th Photovoltaic Specialists Conference, Calgary, AB, June 14-19, 2020. DOI: 10.1109/PVSC45281.2020.9300885

**K. L. C. Kaller, T. J. Coathup, T. M. Grant, C. E. Valdivia, B. H. Lessard, and K. Hinzer**, *Bulk heterojunction organic photovoltaic devices containing silicon phthalocyanine as a non-fullerene electron acceptor*, 2020 IEEE 47th Photovoltaic Specialists Conference, Calgary, AB, June 14-19, 2020. DOI: 10.1109/PVSC45281.2020.9300762

**N. Nouri, C. E. Valdivia, M. N. Beattie, M. S. Zamiri, and K. Hinzer**, *Thin photonic power converters designs with back reflector operating at a 1310 nm wavelength*, 2020 IEEE 47^{th} Photovoltaic Specialists Conference, Calgary, AB, June 14-19, 2020. DOI: 10.1109/PVSC45281.2020.9300435

**G. P. Forcade, C. E. Valdivia, P. St-Pierre, A. Ritou, M. Volatier, A. Jaouad, M. Darnon, and K. Hinzer**, *Nanostructured surface for extended temperature operating range in concentrator photovoltaic modules*, 16th International Conference on Concentrated Photovoltaic Systems, May 4-6, 2020. DOI: 10.1063/5.0032134

**H.-H. Huang, K. Toprasertpong, M. Wilkins, K. Hinzer, M. Sugiyama, Y. Nakano**, *Trade-off study on the radiative efficiency and carrier transport of multiple-quantum-well solar cells*, Proceedings, Volume 11275, Physics, Simulation and Photonic Engineering of Photovoltaic Devices IX; 112750Q, SPIE Photonics West Opto 2020, San Francisco, California, February 1 to 6, 2020. DOI: 10.1117/12.2546279.

**K. Shimotakahra, M. Elsayed, K. Hinzer, and M. Erol-Kantarci**, *Integrated power and device-to-device (D2D) communications simulator for future power systems*, 7^{th} IEEE Global Conference on Signal and Information Processing (GlobalSIP), November 11-14, 2019, Ottawa. DOI: 10.1109/GlobalSIP45357.2019.8969250

** D. Xia, M. N. Beattie, M. C. Tam, M. M. Wilkins, C. E. Valdivia, Z. R. Wasilewski, K. Hinzer, and J. J. Krich**, *Opportunities for high efficiency monochromatic photovoltaic power conversion at 1310 nm*, 46^{th} Photovoltaic Specialists Conference, Chicago, Illinois, June 16-21, 2019. DOI: 10.1109/PVSC40753.2019.8980470

**C. E. Valdivia and K. Hinzer**, *Segmented multi-junction solar cells: A new opportunity for cell design & optimization, *46^{th} Photovoltaic Specialists Conference, Chicago, Illinois, June 16-21, 2019. DOI: 10.1109/PVSC40753.2019.8980689

**M. R. Lewis, E. M. Tonita, C. E. Valdivia, R.-J. K. Obhi, J. Leslie, M. I. Bertoni, and K. Hinzer**, *Angular dependence of textured bifacial silicon heterojunction solar cells for high latitudes*, 46^{th} Photovoltaic Specialists Conference, Chicago, Illinois, June 16-21, 2019. DOI: 10.1109/PVSC40753.2019.8980857

**V. Tatsiankou, K. Hinzer, H. Schriemer, and R. Beal**, *Toward routine measurement and calculation of spectrally corrected DNI for CPV systems*, AIP Conference Proceedings **2149**, 080009, 15th International Conference on Concentrated Photovoltaic Systems, Fes, Morrocco, March 25-27, 2019. DOI: 10.1063/1.5124219

**Y. A. Bioud, M. N. Beattie, A. Boucherif, M. Jellit, R. Stricher, S. Ecoffey, G. Patriarche, D. Troadec, A. Soltani, N. Braidy, M. Wilkins, C. E. Valdivia, K. Hinzer, D. Drouin, R. Arès**, *A porous Ge/Si interface layer for defect-free III-V multi-junction solar cells on silicon*, Proc. SPIE 10913, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VIII, 109130T, Photonics West 2019, San Francisco CA. DOI: 10.1117/12.2511080

**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*, 7th World Conference on Photovoltaic Energy Conversion, Waikoloa, Hawaii, June 10-15, 2018. DOI: 10.1109/PVSC.2018.8547836

**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*, 7th World Conference on Photovoltaic Energy Conversion, Waikoloa, Hawaii, June 10-15, 2018. DOI: 10.1109/PVSC.2018.8547912

**R. Cheriton, S. Sadaf, Z. Mi, and K. Hinzer**, *InGaN/GaN quantum dots in nanowires on silicon (111) for intermediate band solar cells*, 7th World Conference on Photovoltaic Energy Conversion, Waikoloa, Hawaii, June 10-15, 2018. DOI: 10.1109/PVSC.2018.8548146

**V. Tatsiankou, K. Hinzer, H. Schriemer, P. McVey-White, and R. Beal**, *Efficient, real-time global spectral and broadband irradiance acquisition*, 7th World Conference on Photovoltaic Energy Conversion, Waikoloa, Hawaii, June 10-15, 2018. DOI: 10.1109/PVSC.2018.8547671

**C. E. Valdivia, C. T. Li, A. Russell, J. E. Haysom, R. Li, D. Lekx, M. M. Sepeher, D. Henes, K. Hinzer, and H. P. Schriemer**, *Bifacial Photovoltaic module energy yield calculation and analysis*, 44th Photovoltaic Specialists Conference, Washington, D.C., June 25-30, 2017. DOI: 10.1109/PVSC.2017.8366206

**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*, 13th International Conference on Concentrator Photovoltaics (CPV-13), Ottawa, Ontario, May 1-3, 2017. DOI: 10.1063/1.5001438

**V. Tatsiankou, K. Hinzer, H. Schriemer, and R. Beal**, *Deployment and early results from the CanSIM (Canadian Solar Spectral Irradiance Meter) Network*, 13th International Conference on Concentrator Photovoltaics (CPV-13), Ottawa, Ontario, May 1-3, 2017. DOI: 10.1063/1.5001451

**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*, Applied Power Electronics Conference (IEEE-APEC), Tampa, Florida, March 26-30, 2017. DOI: 10.1109/APEC.2017.7931022. *Winner, best paper, Design Optimization for High Reliability session.*

**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, October 12-14, 2016, DOI: 10.1109/EPEC.2016.7771685

**J. Fattahi, J. E. 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, October 12-14, 2016, DOI: 10.1109/EPEC.2016.7771786.

**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, June 5-10, 2016.

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

**V. Tatsiankou, K. Hinzer, H. Schriemer, J. Haysom, and R. Beal**, *Long term performance analysis of solar spectral irradiance meters*, CPV-12, 12th International Conference on Concentrator Photovoltaics, Freiburg, Germany, April 25-27, 2016. DOI: 10.1063/1.4962121

**P. McVey-White, P. Besson, M. Baudrit, H. P. Schriemer, and K. Hinzer**, *Effects of lens temperature on irradiance profile and chromatic aberration for CPV optics*, CPV-12, 12th International Conference on Concentrator Photovoltaics, Freiburg, Germany, April 25-27, 2016. DOI: 10.1063/1.4962081

** M. M. Wilkins, C. E. Valdivia, S. Chahal, M. Ishigaki, D. P. Masson, S. Fafard, and K. Hinzer**, *Performance impact of luminescent coupling on monolithic 12-junction phototransducers for 12 V photonic power systems*, Proc. SPIE 9743, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V, 97430W, Photonics West, San Francisco, California, February 2016. DOI: 10.1117/12.2213727

** S. Fafard, F. Proulx, M. C. A. York, M. Wilkins, C. E. Valdivia, M. Bajcsy, D. Ban, A. Jaouad, B. Bouzazi, R. Arès, V. Aimez, K. Hinzer, and D. P. Masson**, *Advances with vertical epitaxial heterostructure architecture (VEHSA) phototransducers for optical to electrical power conversion efficiencies exceeding 50 percent*, Proc. SPIE 9743, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V, 974304, Photonics West, San Francisco, California, February 2016. Invited. DOI: 10.1117/12.2218486.

** C. E. Valdivia, M. M. Wilkins, B. Bouzazi, A. Jaouad, V. Aimez, R. Arès, D. P. Masson, S.Fafard, K. Hinzer**, *Five-volt vertically-stacked, single-cell GaAs photonic power converter*, Proc. SPIE **9358**, Photonics West: Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IV, 93580E (2015). DOI: 10.1117/12.2079824.

**V. Tatsiankou, K. Hinzer, H. Schriemer, J. Haysom, R. Beal**, *A Novel Instrument for Cost-Effective and Reliable Measurement of Solar Spectral Irradiance*, 2015 IEEE 42th Photovoltaic Specialists Conference, New Orleans, LA, USA, June 14-19th, 2015. DOI: 10.1109/PVSC.2015.7356407

**P. Sharma, M. M. Wilkins, H. Schriemer, K. Hinzer**, *Optimization of three and four junction solar cell CPV systems using ray tracing and SPICE modeling*, 2015 IEEE 42th Photovoltaic Specialists Conference, New Orleans, LA, USA, June 14-19th, 2015. DOI: 10.1109/PVSC.2015.7356184, uO Research

**M. D. Yandt, K. Hinzer, and H. Schriemer**, *Identifying representative spectra for which multi-junction solar cells should be optimized to maximize annual energy yield*, 2015 IEEE 42th Photovoltaic Specialists Conference, New Orleans, LA, USA, June 14-19th, 2015. DOI: 10.1109/PVSC.2015.7356063

**H. Schriemer, J. P. D. Cook, P. Sharma, L. de la Salle, F. Carle, P. M. White, V. Tatsiankou, N. Bosscher, J. E. Haysom, E. Dragomirescu, and K. Hinzer**, *Refractive Concentrator Optics Architectures, Tracker Precision, and Cumulative Energy Harvest*, 2015 IEEE 42th Photovoltaic Specialists Conference, New Orleans, LA, USA, June 14-19th, 2015. DOI: 10.1109/PVSC.2015.7356408

**A. H. Trojnar, C. E. Valdivia, A. Rahman, R, R. LaPierre, K. Hinzer, and J. J. Krich**, *Optimization of GaAs Nanowire Solar Cell Efficiency via Optoelectronic Modeling*, 2015 IEEE 42th Photovoltaic Specialists Conference, New Orleans, LA, USA, June 14-19th, 2015. DOI: 10.1109/PVSC.2015.7355660

**P. Sharma, A. H. Trojnar, 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*, accepted to EU PVSEC 2014, Amsterdam, The Netherlands, September 22-26th, 2014.

**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)*, EU PVSEC 2014, Amsterdam, The Netherlands, September 22-26th, 2014.

**M. M. Wilkins, A. Gabr, P. Sharma, H. Schriemer, and K. Hinzer**, *4-junction solar cells with dilute nitrides: Optimization with luminescent coupling*, EU PVSEC 2014, Amsterdam, The Netherlands, September 22-26th, 2014.

**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*, 2014 IEEE 40th Photovoltaic Specialists Conference, Denver, CO, USA, June 8-13th, 2014.

**P. Sharma, M. Wilkins, H. Schriemer, and K. Hinzer**, *Modeling nonuniform irradiance and chromatic aberration effects in a four junction solar cell using SPICE*, 2014 IEEE 40th Photovoltaic Specialists Conference, Denver, USA, June 8-13th 2014.

**A. M. Gabr, A. H. Trojnar, M. Wilkins, T. J. Hall. R. N. Rafael and K. Hinzer**, *Optimization of anti-reflection coatings for bifacial solar cells with upconversion layers*, 2014 IEEE 40th Photovoltaic Specialists Conference, Denver, USA, June 8-13th, 2014.

**J. J. Krich, A. H. Trojnar, L, Feng, K. Hinzer, and A. W. Walker**, *Modeling intermediate band solar cells: a roadmap to high efficiency*, Proc. SPIE, **8981**, 89810O-8 (2014). www.spie.org. DOI: 10.1117/12.2041807.

**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, Canada, Proc. SPIE, **8915**, 891509, 8 (2013). DOI: 10.1117/12.2037346.

**F. Bouchard, A. W. Walker, Z. Mi, and K. Hinzer**, *Modeling a monocrystalline Cu(In, Ga)Se2 single junction solar cell grown on a GaAs substrate*, Photonics North, Ottawa, Canada, Proc. SPIE, **8915**, 891507, 7 (2013). DOI: 10.1117/12.2036189.

**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*, Proc. SPIE, **8915**, 891506, 11 (2013). DOI: 10.1117/12.2033613.

**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*, Proc. SPIE, **8915**, 891505, 8 (2013). DOI: 10.1117/12.2033340.

**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*, 2013 IEEE 39th Photovoltaic Specialists Conference, Tampa, USA, June 16-21st, 2013.

**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*, 2013 IEEE 39th Photovoltaic Specialists Conference, Tampa, USA, June 16-21st, 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*, 2013 IEEE 39th Photovoltaic Specialists Conference, Tampa, USA, June 16-21st, 2013.

**J. Mohammed, M. Yandt, M. Wilkins, A. Muron, T. J. Hall, J. E. 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*, 2013 IEEE 39th Photovoltaic Specialists Conference, Tampa, USA, June 16-21st, 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*, Actes du RIED (Réseau interordre en énergie durable) 2013 Séminaire scientifique, Gatineau, Québec, June 19th, 2013, 15-17 (2013).

**J. 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, April 15-17th, 2013.

**B. Paquette, M. DeVita, G. Kolhatkar, A. Turula, A. Boucherif, A. Jaouad, M. Wilkins, J. F. Wheeldon, A. W. Walker, K. Hinzer, S.Fafard, V. Aimez, and R. Arès**, *Chemical Beam Epitaxy Growth of AlGaAs/GaAs Tunnel Junctions Using Trimethyl Aluminium for Multijunction Solar Cells*, 9th International Conference on Concentrating Photovoltaic Systems, Miyazaki, Japan, April 15-17th, 2013. Doi:10.1063/1.4822197.

**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*, 2012 38th IEEE Photovoltaics Specialist Conference, June 3-8th, 2012, Austin, USA, pp. 92-96 (2012). DOI: 10.1109/PVSC.2012.6317575.

**A. M. Gabr, J. F. Wheeldon, R. Beal, A. Walker, J. Sacks, R. M. Savidge, T. J. Hall, R. N. Kleiman and K. Hinzer**, *Modeling Down-Conversion and Down-Shifting for Photovoltaic Applications*, 2012 38th IEEE Photovoltaics Specialist Conference, June 3-8th, 2012, Austin, USA, pp. 48-52 (2012). DOI: 10.1109/PVSC.2012.6317566.

**R. M. Beal, J. Mohammed, A. Muron, M. Yandt, J. E. Haysom, P. Dufour, 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, April 16-18th, 2012. AIP Conf. Proc.** 1477**, 356-359 (2012). DOI: 10.1063/1.4753904.

**O. Thériault, A. Walker, J. F. Wheeldon, and K. Hinzer**, *Effects of quantum dot layers on the behaviour of multijunction solar cell operation under concentration*, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, April 16-18th, 2012. AIP Conf. Proc. **1477**, 20-23 (2012). DOI: 10.1063/1.4753824.

**M. D. Yandt, J. F. Wheeldon, J. Cook, 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, April 16-18th, 2012. AIP Conf. Proc. **1477**, 172-175 (2012). DOI: 10.1063/1.4753861.

**J. Sacks, R. M. Savidge, A. Gabr, O. Theriault, A. Walker, J. F. Wheeldon, R. Beal , T. J. Hall, A. P. Knights, P. Mascher, K. Hinzer, R. N. Kleiman**, * Quantum Efficiency Measurements of Down-Shifting Using Silicon Nanocrystals for Photovoltaic Applications*, 38th IEEE Photovoltaics Specialist Conference, Austin, USA, 2012.

**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-Converting and Down Shifting for Photovoltaic Applications*, 38th IEEE Photovoltaics Specialist Conference, Austin, USA, 2012.

**S. Schicho, M. Wilkins, A. Turala, A. Jaouad, A. Boucherif, A. Walker, J. F. Wheeldon, K. Hinzer, R. Arès, V. Aimez**, * Effect of Ge Substrate Thinning on CPV Solar Cell Performance*, 8th International Conference on Concentrating Photovoltaic Systems, Toledo, Spain, 2012.

**O. Arenas, A. Vossier, J. F. Wheeldon, F. Proulx, K. Hinzer, A. Dollet, A. Perona, V. Aimez, 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, 2012.

**S. D’Souza, J. Haysom, H. Anis, and K. Hinzer**, *The Down-to-Earth Future of Si Substrate Multi-junction Concentrator Photovoltaics*, IEEE Electrical Power and Energy Conference (EPEC), Oct. 3-5th, 2011. pp. 57-61. Winnipeg, Canada. DOI: 10.1109/EPEC.2011.6070253

**A. W. Walker, J. F. Wheeldon, O. Thériault, M. D. Yandt, and K. Hinzer**, *Temperature dependant external quantum efficiency simulations and experimental measurement of lattice matched quantum dot enhanced multi-junction solar cells*, 2011 37th IEEE Photovoltaic Specialist Conference, June 19-24th, 2011, pp.564-569, Seattle, USA. DOI: 10.1109/PVSC.2011.6186018.

**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 Nano Photonics, Toronto Canada, June 12-16th, 2011, DOI: 10.1364/ANIC.2011.JTuB21

**J. Brar, V. Veilleux, P. Krug, K. Hinzer, C. Nì. Allen, and H. Schriemer**, *Photoluminescence of Strain-Engineered CdSe/Cd0.5Zn0.5S Core/Shell Colloidal Quantum Dots*, OSA Technical Digest, paper IWB4, Integrated Photonics Research and Silicon Nano Photonics (IPR), June 12-16th 2011, Toronto, Canada, 2011. DOI: 10.1364/IPRSN.2011.IWB4.

**A. Muron, S. Chow, J. Wheeldon, K. Hinzer and H. Schriemer**, *Thermal Optimization of a Solar Cell Carrier for Concentrator Systems*, Photonics North, May 16-18th, 2011, Ottawa, Canada. Proc. SPIE **8007**, 8007-22 (2011). DOI: 10.1117/12.905692.

**M. Wilkins, R. Beal, J. E. Haysom, J. F. Wheeldon, P. Mulet, G. Jamieson, N. Youssef, D. Balachandreswaran, J. Fan, T. J. Hall, S. Myrskog, and K. Hinzer**, *Design of a Multiplexer to Characterize Individual Optics at a Concentrating Photovoltaic Test Site*, Photonics North, Ottawa, Canada, May 16-18th, 2011, Proc. SPIE **8007**, 8007-183 (2011). DOI: 10.117/12.906246.

**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, Canada, May 16-18th, 2011.

**R. M. Beal, J. F. Wheeldon, J. E. Haysom, M. Wilkins, C. E. Valdivia, M. Yandt, S. Myrskog, J. Fan, H. Navarro, J. P. Morgan, T. J. Hall, K. Hinzer**, *Multi-Kilowatt Concentrated Photovoltaic Installation Employing Low-Cost, Highly Concentrating Wave-Guiding Optics*, 7th International Conference on Concentrating Photovoltaic Systems, 31556, Las Vegas, USA, 2011, pp. 239-242. DOI: 10.1063/1.3658335.

**O. Arenas, L. M. Collin, S. Chow, F. Proulx, K. Hinzer, V. Aimez, L. G. Fréchette, R. Arès**, *High Performance Concentrated Photovoltaic Module Development Using Temperature Sensors*, 7th International Conference on Concentrating Photovoltaic Systems, 31697, Las Vegas, USA, 2011. pp. 184-187.

**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, K. Hinzer**, *Efficiency Measurements and Simulations of GaInP/InGaAs/Ge Quantum Dot Enhanced Solar Cells at up to 1000-suns Under Flash and Continuous Concentration*, 7th International Conference on Concentrating Photovoltaic Systems, 33929, Las Vegas, USA, 2011. AIP Conf. Proc. **1407**, 220-223. DOI: 10.1063/1.3658331.

**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, 33651, Las Vegas, USA, 2011. .AIP Conf. Proc.** 1407**, 50-53. DOI: 10.1063/1.3658293.

**M. Yandt, J. F. Wheeldon, C. E. Valdivia, S. Chow, O. Theriault, A. Johnson, M. Armstrong, F. Szadkowski, L. Motte, M. Swinton, T. Cassidy, J. Cook, 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, 34283, Las Vegas, USA, 2011. AIP Conf. Proc. **1407**, 224-227. DOI: 10.1063/1.3658332.

**A. Turala, R. Homier, G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, F. Proulx, A. Jaouad, D. Masson, S. Fafard, S. Wallace, K. Hinzer, R. Arès, V. Aimez**, *Transparent Indium Tin Oxide Front-Side Electrode for Low-Cost Multi-Junction Solar Cells*, 7th International Conference on Concentrating Photovoltaic Systems, 34283, Las Vegas, USA, 2011.

**R. Millett, A. Benhsaien, K. Dridi, H. Schriemer, K. Hinzer, and T. J. Hall**, *Fabrication-tolerant 1310 nm laterally-coupled distributed feedback lasers with high side mode suppression ratios*, International Commission for Optics Topical Meeting on Emerging Trends & Novel Materials in Photonics, AIP Conf. Proc. **1288**, 88-92 Delphi, Greece October 7-9th, 2010. DOI: 10.1063/1.3521380.

**A. W. Walker, J. Wheeldon, C. E. Valdivia, G. Kolhatkar, K. Hinzer**, *Simulation, modeling and comparison of III-V tunnel junction designs for high efficiency metamorphic multi-junction solar cells*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE,** 7750**, 77502X (2010). DOI: 10.1117/12.872882.

**G. Arbez, J. Wheeldon, A. Walker, K. Hinzer, H. Schriemer**, *Modeling and simulation of triple junction solar cells*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE **7750**, 775032 (2010). DOI: 10.1117/12.876131.

**G. Kolhatkar, J. F. Wheeldon, C. E. Valdivia, A. Walker, S.Fafard, A.Turala, A. Jaouad, R. Arès, V. Aimez, K. Hinzer**, *Time-dependent analysis of AlGaAs/AlGaAs tunnel junctions for high efficiency multi-junction solar cells*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE** 7750**, 77502S (2010). DOI: 10.1117/12.872886.

**S. Chow, C. E. Valdivia, J. F. Wheeldon, R. Arès, O. J. Arenas, V. Aimez, D. McMeekin, S.Fafard, K. Hinzer**, *Thermal test and simulation of alumina receiver with high efficiency multi-junction solar cell for concentrator systems*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE **7750**, 775035 (2010). DOI: 10.1117/12.872894.

**O. Thériault, A. J. SpringThorpe, J. F. Wheeldon, C. E. Valdivia, A. Walker, B. J. Riel, K. Hinzer**, *Study of InGaAs/GaAs quantum dot saturation level for the design of concentrated multi-junction solar cells*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE** 7750**, 77502T (2010). DOI: 10.1117/12.872892.

**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, J. Cook, F. Shepherd, T. J. Hall, K. Hinzer**, *High-efficiency commercial grade 1 cm2 AlGaInP/GaAs/Ge solar cells with embedded InAs quantum dots for concentrator demonstration system*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE **7750**, 77502Q (2010). Invited. DOI: 10.1117/12.872890.

**K. Dridi, H. Schriemer, K. Hinzer, T.J. Hall**, *On the performance of fabricated third order laterally coupling distributed feedback 1310nm lasers*, Photonics North 2010, Niagara Falls, Canada, June 1st, 2010, Proc. SPIE **7750**, 775013 (2010). DOI: 10.1117/12.873097.

**C. E. Valdivia, S. Chow, S.Fafard, O. Thériault, M. Yandt, J. F. Wheeldon, A. J. SpringThorpe, D. McMeekin, D. Masson, B. Riel, V. Aimez, R. Arès, J. Cook, T. J. Hall, F. Shepherd, 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*, 2010 35th IEEE Photovoltaics Specialists, June 2010. pp 1253-1258. DOI: 10.1109/PVSC.2010.5614192.

**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*, 35th IEEE Photovoltaics Specialists, June 2010. pp 2998-3002. DOI: 10.1109/PVSC.2010.5614131.

**C. E. Valdivia and S. Fafard**, *High efficiency concentrated photovoltaic (CPV) solar cells using epitaxial self-assembled III-V quantum dot materials*, 93rd Canadian Chemistry Conference, Canadian Society for Chemistry, Toronto, Canada, June 2010.

**J. F. Wheeldon, C. E. Valdivia, A. Walker, G. Kolhatkar, D. Masson, B. Riel, S.Fafard, A. Jaouad, A. Turula, R. Arès, V. Aimez, T. J. Hall, and K. Hinzer**, *GaAs, AlGaAs and InGaP Tunnel Junctions for Multi-Junction Solar Cells Under Concentration: Resistance Study*, International Conference on Concentrating Photovoltaic Systems, (CPV-6), Freiburg, Germany, April 2010. AIP Conf. Proc. **1277**, 28-31 (2010). DOI: 10.1063/1.3509213.

**O. Arenas, V. Aimez, S. Chow, C. E. Valdivia, J. F. Wheeldon, K. Hinzer A. Turala, and R. Arès**, *Advances in cell carriers for CPV applications*, International Conference on Concentrating Photovoltaic Systems, (CPV-6), Freiburg, Germany, April 2010. AIP Conf. Proc. **1277**, 66-69 (2010). DOI: 10.1063/1.3509243.

**O. Arenas, V. Aimez, R. Ares, S. Chow, C. E. Valdivia, J. F. Wheeldon, K. Hinzer**, *Aluminum Substrate Carriers for Multi-junction Solar Cells under Concentration*, International Conference on Concentrating Photovoltaic Systems, (CPV-6), Freiburg, Germany, April 2010.

**A. Assadihaghi, R. Millett, H. Schriemer, K. Dridi, T. J. Hall, H. Teimoori, and K. Hinzer**, *Threshold current reduction in third-order laterally coupled DFB lasers*, Proc. of IEEE, 2nd Microsystems and Nanoelectronics Research Conference (MNRC 2009), pp. 21-24 (2009).

**R. Millett, K. Hinzer, A. Benhsaien, T. J. Hall, and H. Schriemer**, *Impact of laterally-coupled grating microstructures on effective coupling coefficients*, 14th Canadian Semiconductor Technology Conference, Hamilton, Canada (Aug 2009).

**J. F. Wheeldon, C. E. Valdivia, A. Walker, G. Kolhatkar, T. J. Hall, K. Hinzer, D. Masson, S.Fafard, A. Jaouad, A. Turala, R. Arès, and V. Aimez**, *AlGaAs tunnel junction for high efficiency multi-junction solar cells: simulation and measurement of temperature-dependent operation*, 2009 43th IEEE Photovoltaics Specialist Conference, Philadephia, USA, June 2009. pp 106-111. DOI: 10.1109/PVSC.2009.5411723.

**J. F. Wheeldon and H. Schriemer**,*The Optical Forces of Vortex Arrays in Two-Dimensional Photonic Crystals and Slabs*, Proceeding Photonics North 2009 SPIE, **7386,** 73862P, Quebec City, Canada, May 2009. DOI: 10.1117/12.839807.

** H. Teimoori, A. Assadihaghi, R. Radziwilovicz, S.A. Paredes, S. Bidnyk, K. Hinzer, and T. Hall**, *Passive optical network extensions for the future Internet requirements*, Photonics North 2009, Quebec City, Canada (May 2009). Invited.

** R. Millett, H. Schriemer, K. Hinzer, K. Dridi, and T. Hall**, *Fabrication-tolerant 1310 nm laterally-coupled distributed feedback lasers with high side mode suppression ratios*, Photonics North 2009, Quebec City, Canada (May 2009).

**A. Assadihaghi, H. Teimoori, A. Benhsaien, V. Tolstikhin, T. J. Hall, and K. Hinzer**, *Semiconductor optical amplifier designs for passive optical network extension*, 21st International Conference on Indium Phosphide and Related Materials, Newport Beach, USA, May 13, pp. 289-291 (2009). DOI: 10.1109/ICIPRM.2009.5012516.

**Z. G. Lu, J. R. Liu, P. J. Poole, S. Raymond, P. J. Barrios, D. Poitras, G. Pakulski, X. P. Zhang, K. Hinzer, and T. J. Hall**, *Low noise InAs/InP quantum dot C-band monolithic multiwavelength lasers for WDM-PONs*, Optical Fiber Communications conference and exposition (OFC), pp. 330-332, JWA27, San Diego, USA, March 22-26th, (2009). DOI: 10.1364/NFOEC.2009.JWA27.

**C. E. Valdivia, J. F. Wheeldon, H. P. Schriemer, T. J. Hall, and K. Hinzer**, High-efficiency III-V multi-junction solar cells and concentrator systems, Photovoltaics Workshop, Photovoltaics Innovation Network, McMaster University, Hamilton, Canada (Feb 2009). Invited.

**R. Millett, K. Hinzer, T. J. Hall, M. Poirier, and H. Schriemer**, *Monolithically-integrated 4×4 SOA switch fabricated using quantum well intermixing*, Photonics West: Optoelectronic Integrated Circuits XI, San Jose, USA, January 24th, 2009, Proc. SPIE **7219**, 7219-19 (2009). DOI: 10.1117/12.808203.

**C. E. Valdivia**, Research roundtable panel, Canadian Solar Industries Association (CanSIA) Solar Conference 2008, Toronto, Canada (Dec 2008). Invited.

**V. K. Narasimhan, C. E. Valdivia, N. Yastrebova, J. Fafard, V. Tatsiankou, F. Le Jean, T. J. Hall, and K. Hinzer**, *Performance analysis of III-V triple-junction concentrator solar cells under varying temperature and intensity*, IEEE-Lasers & Electro-Optics Society Annual Meeting, Paper MK2, Newport Beach, California, Nov. 10, 2008. pp 165-168.

**R. Radziwilowicz, H. Teimoori, S. A. Paredes, V. Tolstikhin, K. Hinzer, and T. J. Hall**, *Power budget considerations in CWDM/TDM based passive optical networks*, Proc. of IEEE, 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Oct 15th, 2008, pp. 173-176 (2008). DOI: 10.1109/MNRC.2008.4683406.

**A. Assadihaghi, H. Teimoori, R. Millett, A. Benhsaien, V. Tolstikhin, T. J. Hall, and K. Hinzer**, *O-band semiconductor optical amplifier design for CWDM applications*, Proc. of IEEE, 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Oct 15th, 2008, pp. 89-92 (2008). DOI: 10.1109/MNRC.2008.4683385.

**V. K. Narasimhan, N. Yastrebova, C. E. Valdivia, T. J. Hall, K. Hinzer, D. Masson, A. Jaouad, R. Arès, and V. Aimez**, *Effect of parameter variations on the current-voltage behavior of AlGaAs tunnel junction models*, Proc. of IEEE, 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Oct 15th, 2008, pp. 165-168 (2008). DOI: 10.1109/MNRC.2008.4683404.

**R. Millett, K. Hinzer, T. J. Hall, and H. Schriemer**, *Optimal cavity lengths and duty cycles for second-order laterally-coupled distributed feedback lasers*, Proc. of IEEE, 1st Microsystems and Nanoelectronics Research Conference (MNRC 2008), Oct 15th, 2008, pp. 61-64 (2008). DOI: 10.1109.MNRC.2008.4683378.

**R. Millett, A. Benhsaien, K. Hinzer, T. J. Hall, and H. Schriemer**, *Simulation of fourth-order laterally-coupled gratings*, COMSOL Conference 2008, Boston, USA, Oct. 9-11th, 2008.

**R. Millett, H. Schriemer, T. Hall, K. Hinzer**, *Properties of laterally-coupled distributed feedback lasers with higher order gratings*, Numerical Simulations of Optoelectronic Devices (NUSOD’08), MB2, Nottingham, United Kingdom (Aug 2008). Image from abstract selected for proceedings cover.

**C. E. Valdivia, N. Yastrebova, H. Schriemer, T. J. Hall, D. Masson, E. Desfonds, S.Fafard, K. Hinzer**, *High-power-density concentrated solar cell systems for electricity generation in buildings*, 3rd Canadian Solar Building Conference, Fredericton, Canada, August 2008.

**C. E. Valdivia, E. Desfonds, D. Masson, S.Fafard, A. Carlson, J. Cook, T. J. Hall, K. Hinzer**, *Optimization of antireflection coating design for multi-junction solar cells and concentrator systems*, Proc. SPIE **7099**, 709915-1 to 709915-10, Photonics North, Montreal, QC, June 2-4th, 2008. DOI: 10.1117/12.807675.

**R. Millett, K. Hinzer, T. J. Hall, and H. Schriemer**, *Fabrication-tolerant higher order laterally-coupled distributed feedback lasers*, Proc. SPIE **7099**, 70991P-1 to 70991P-12, Photonics North, Montreal, QC, June 2-4th, 2008. DOI: 10.1117/12.807411.

**J. Wheeldon and H. Schriemer**, *Polarization Singularities and Local Field Symmetries in Photonic Crystals*, IEEE LEOS Optical MEMS and Nanophotonics, Freiburg, Germany, 2008.

**R. Millett, T. J. Hall, K. Hinzer, V. Tolstikhin, K. Pimenov, Y. Logvin and H. Schriemer**, *Monolithically integrated InGaAsP/InP 1×2 SOA optical switch*, Proc. SPIE, **6796**, 67962Y (2007). DOI: 10.117/12.778938.

**R. Shankar, J. Couturier, K. Hinzer, and T. J. Hall**, *Scalability analysis in terms of crosstalk in NZ-DSF ring networks constructed with WSS based ROADM*, Proc. of SPIE,** 6796**, 67962T (2007). DOI: 10.117/12.779078.