Preprints

Ultra-Efficient Thermophotovoltaics Exploiting Spectral Filtering by the Photovoltaic Band-Edge
V. Ganapati, T. P. Xiao, E. Yablonovitch.
arXiv

Journal Publications

The Voltage Boost Enabled by Luminescence Extraction in Solar Cells
V. Ganapati, M. A. Steiner, E. Yablonovitch.
IEEE Journal of Photovoltaics, 6, 801 - 809 (2016).
DOI: 10.1109/JPHOTOV.2016.2547580
pdf

Air Gaps as Intermediate Selective Reflectors to Reach Theoretical Efficiency Limits of Multibandgap Solar Cells
V. Ganapati, C.-S. Ho, E. Yablonovitch.
IEEE Journal of Photovoltaics, 5, 410-417 (2015).
DOI: 10.1109/JPHOTOV.2014.2361013
pdf

Single spherical mirror optic for extreme ultraviolet lithography enabled by inverse lithography technology
G. Scranton, S. Bhargava, V. Ganapati, E. Yablonovitch.
Optics Express, 22, 21 (2014).
DOI:10.1364/OE.22.025027
pdf

Light Trapping Textures Designed by Electromagnetic Optimization for Subwavelength Thick Solar Cells
V. Ganapati, O. D. Miller, E. Yablonovitch.
IEEE Journal of Photovoltaics 4, 1 (2013).
DOI: 10.1109/JPHOTOV.2013.2280340
pdf

Seeding of silicon wire growth by out-diffused metal precipitates
V. Ganapati, D.P. Fenning, M.I. Bertoni, C.E. Kendrick, A.E. Fecych, J.M. Redwing, T. Buonassisi.
Small 7, 563-567 (2011).
DOI: 10.1002/smll.201002250
pdf

Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon
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.
Journal of Applied Physics 108, 063528 (2010).
DOI: 10.1063/1.3468404
pdf

Issued Patents

Parallel programmable array microscope
V. M. Acosta, V. Ganapati.
United States Patent 9,535,242 (2017).
link

Conference Papers

Enhancing the Efficiency of Thermophotovoltaics with Photon Recycling
T. P. Xiao, G. Scranton, V. Ganapati, J. Holzrichter, P. F. Peterson, E. Yablonovitch.
Conference on Lasers and Electro-Optics (CLEO), June 2016.
DOI: 10.1364/CLEO_AT.2016.ATu1K.2
pdf

Highly Efficient Thermophotovoltaics Enabled by Photon Re-Use
G. Scranton, T. P. Xiao, V. Ganapati, J. Holzrichter, P. F. Peterson, E. Yablonovitch.
IEEE Photovoltaic Specialists Conference (PVSC 43), June 2016.
pdf

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

Shape Optimization of Nanophotonic Devices Using the Adjoint Method
C. Lalau-Keraly, S. Bhargava, V. Ganapati, E. Yablonovitch.
Conference on Lasers and Electro-Optics (CLEO), June 2014.
DOI: 10.1364/CLEO_SI.2014.STu2M.6
pdf

Inverse Design of Optical Antennas for Sub-Wavelength Energy Delivery
S. Bhargava, O. D. Miller, V. Ganapati, E. Yablonovitch.
Conference on Lasers and Electro-Optics (CLEO), June 2013.
DOI: 10.1364/CLEO_SI.2013.CM2F.2
pdf

Inverse electromagnetic design for subwavelength light trapping in solar cells
V. Ganapati, O. D. Miller, E. Yablonovitch.
IEEE Photonics Conference (IPC), 191-192, Sept. 2012.
DOI: 10.1109/IPCon.2012.6358555
pdf

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

Inverse Design of a Nano-Scale Surface Texture for Light Trapping
O. D. Miller, V. Ganapati, E. Yablonovitch.
CLEO: Science and Innovations, May 2012.
DOI: 10.1364/CLEO_SI.2012.CF2J.2
pdf

Infrared birefringence imaging of residual stress and bulk defects in multicrystalline silicon
V. Ganapati, S. Schoenfelder, S. Castellanos, S. Oener, T. Buonassisi.
IEEE Photovoltaic Specialists Conference (PVSC 35), June 2010.
pdf

Quantitative stress measurements of bulk microdefects in multicrystalline silicon
S. Schoenfelder, A. Sampson, V. Ganapati, R. Koepge, S. Castellanos, S. Oener, T. Buonassisi.
24th European Photovoltaic Solar Energy Conference, Sept. 2009 pp. 977-980.
pdf

Selected Conference Talks/Posters

The Voltage Boost Enabled by Luminescence Extraction in Solar Cells
V. Ganapati, M. A. Steiner, E. Yablonovitch.
IEEE Photovoltaic Specialist Conference (PVSC 43), June 2016 (talk).

Optimal subwavelength light trapping textures for photovoltaics
V. Ganapati, O. D. Miller, E. Yablonovitch.
SPIE Photonics West, Feb. 2015 (talk).

Increasing Efficiency of Dual Junction Solar Cells by Intermediate Mirror Optimization
V. Ganapati, C.-S. Ho, E. Yablonovitch.
IEEE Photovoltaic Specialists Conference (PVSC 40), June 2014 (talk).

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

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

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

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