journal publications



V. Ganapati, C.-S. Ho, and E. Yablonovitch, "Air Gaps as Intermediate Selective Reflectors to Reach Theoretical Efficiency Limits of Multibandgap Solar Cells," IEEE Journal of Photovoltaics, 2014. [ link | pdf | arxiv ]

G. Scranton, S. Bhargava, V. Ganapati, and E. Yablonovitch, "Single spherical mirror optic for extreme ultraviolet lithography enabled by inverse lithography technology," Optics Express, 2014. [ link | pdf ]

V. Ganapati, O. D. Miller, and E. Yablonovitch, "Light Trapping Textures Designed by Electromagnetic Optimization for Sub-Wavelength Thick Solar Cells," IEEE Journal of Photovoltaics, 2014. [ link | pdf | arxiv ]

V. Ganapati, D.P. Fenning, M.I. Bertoni, C.E. Kendrick, A.E. Fecych, J.M. Redwing, T. Buonassisi, "Seeding of Silicon Wire Growth by Out-Diffused Metal Precipitates," Small, 2011. [ link | pdf ]

V. Ganapati, S. Schoenfelder, S. Castellanos, S. Oener, R. Koepge, A. Sampson, M.A. Marcus, B. Lai, H. Morhenn, G. Hahn, J. Bagdahn, T. Buonassisi, "Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon," Journal of Applied Physics, 2010. [ link | pdf ]


conference papers



V. Ganapati, L. Waller, E. Yablonovitch. “Adjoint Method for Phase Retrieval,” Computational Optical Sensing and Imaging (COSI), June 2014. [ link | pdf ]

C. Lalau-Keraly, S. Bhargava, V. Ganapati, E. Yablonovitch. “Shape Optimization of Nanophotonic Devices Using the Adjoint Method,” CLEO: Science and Innovations, June 2014. [ link | pdf ]

S. Bhargava, O. D. Miller, V. Ganapati, and E. Yablonovitch, "Inverse Design of Optical Antennas for Sub-Wavelength Energy Delivery," CLEO: Science and Innovations, June 2013. [ link | pdf ]

V. Ganapati, O. D. Miller, E. Yablonovitch. “Inverse electromagnetic design for subwavelength light trapping in solar cells,” IEEE Photonics Conference (IPC), 191-192, Sept. 2012. [ link | pdf ]

V. Ganapati, O. D. Miller, and E. Yablonovitch, "Spontaneous symmetry-breaking in the optimization of subwavelength solar cell textures for light trapping," IEEE Photovoltaic Specialists Conference (PVSC 38), June 2012. Best Student Presentation Finalist [ link | pdf ]

O. D. Miller, V. Ganapati, and E. Yablonovitch, "Inverse Design of a Nano-Scale Surface Texture for Light Trapping," CLEO: Science and Innovations, May 2012. [ link | pdf ]

V. Ganapati, S. Schoenfelder, S. Castellanos, S. Oener, T. Buonassisi, "Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon," Proc. 35th IEEE Photovoltaic Specialists Conference, Honolulu, HI (2010). [ pdf ]

S. Schoenfelder, A. Sampson, V. Ganapati, R. Koepge, S. Castellanos, S. Öner, T. Buonassisi, "Quantitative stress measurements of bulk microdefects in multicrystalline silicon," Proc. 24th European Photovoltaic Solar Energy Conference, Hamburg, Germany (2009) pp.977-980. [ pdf ]


conference talks/posters



V. Ganapati, O. D. Miller, E. Yablonovitch. “Increasing Efficiency of Dual Junction Solar Cells by Intermediate Mirror Optimization,” IEEE Photovoltaic Specialists Conference (PVSC 40), June 2014 (talk).

V. Ganapati, O. D. Miller, E. Yablonovitch. “Electromagnetic Inverse Design of Light Trapping Textures for Subwavelength Thick Solar Cells,” IEEE Photovoltaic Specialists Conference (PVSC 39), June 2013. Best Student Presentation Finalist

V. Ganapati, O. D. Miller, and E. Yablonovitch, “Inverse Electromagnetic Design of a Photonic Crystal for Light Trapping,” PECS-X: 10th International Symposium on Photonic and Electromagnetic Crystal, June 2012 (poster).

V. Ganapati, O. D. Miller, and E. Yablonovitch, ”Inverse Electromagnetic Design for Light Trapping in Solar Cells,” 2011 Fall MRS Meeting, Nov. 2011 (talk).

V. Ganapati, S. Schoenfelder, S. Castellanos, S. Oener, T. Buonassisi. “Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon,” European Materials Research Society Spring Meeting, Strasbourg, France, June 2010. Best Poster Award