Dr. Yagya D. Sharma Profile

Dr. Yagya D. Sharma

Senior Engineering Manager at OSI Systems Inc

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 31 May 2012 Paper

Sub-monolayer InAs/InGaAs quantum dot infrared photodetectors (SML-QDIP)

Jun Oh Kim, Saumya Sengupta, Yagya Sharma, Ajit Barve, Sang Jun Lee, Sam Kyu Noh, Sanjay Krishna

Proceedings Volume 8353, 835336 (2012) https://doi.org/10.1117/12.919458

KEYWORDS: Quantum dots, Sensors, Infrared radiation, Infrared photography, Quantum well infrared photodetectors, Photodetectors, Quantum wells, Gallium arsenide, Indium arsenide, Staring arrays

Read Abstract +

Proceedings Article | 21 May 2011 Paper

Characterization of different transitions in quantum dots-in-a-well (DWELL) infrared photodetectors

Ajit Barve, Jun Oh Kim, Yagya Sharma, Thomas Rotter, Saumya Sengupta, John Montoya, Sanjay Krishna

Proceedings Volume 8012, 801241 (2011) https://doi.org/10.1117/12.892025

KEYWORDS: Absorption, Quantum dots, Quantum efficiency, Quantum wells, Quantum well infrared photodetectors, Infrared radiation, Infrared photography, Photodetectors, Sensors, Staring arrays

Read Abstract +

Proceedings Article | 4 May 2010 Paper

SU-8 passivation of type-II InAs/GaSb strained layer superlattice detectors

H. Kim, E. Plis, N. Gautam, A. Khoshakhlagh, S. Myers, M. Kutty, Y. Sharma, L. Dawson, S. Krishna

Proceedings Volume 7660, 76601U (2010) https://doi.org/10.1117/12.850284

KEYWORDS: Stereolithography, Sensors, Diodes, Gallium antimonide, Mid-IR, Staring arrays, Long wavelength infrared, Indium arsenide, Superlattices, Doping

Read Abstract +

Proceedings Article | 9 September 2009 Paper

Investigation of multi-stack quantum dots-in-double-well infrared detectors

M. N. Kutty, Y. Sharma, A. Barve, J. Shao, E. Plis, R. Shenoi, S. Krishna, S. J. Lee, S. Noh

Proceedings Volume 7467, 74670V (2009) https://doi.org/10.1117/12.827070

KEYWORDS: Sensors, Long wavelength infrared, Infrared detectors, Quantum dots, Gallium arsenide, Quantum efficiency, Mid-IR, Staring arrays, Indium arsenide, Infrared radiation

Read Abstract +

Proceedings Article | 9 September 2009 Paper

Improved performance of InAs/GaSb strained layer superlattice detectors with SU-8 passivation

H. S. Kim, E. Plis, S. Myers, A. Khoshakhlagh, N. Gautam, M. Kutty, Y. Sharma, L. Dawson, S. Krishna

Proceedings Volume 7467, 74670U (2009) https://doi.org/10.1117/12.826775

KEYWORDS: Laser sintering, Staring arrays, Sensors, Mid-IR, Gallium antimonide, Superlattices, Infrared sensors, Infrared detectors, Diodes, Indium

Read Abstract +

Proceedings Article | 2 October 2008 Paper

Infrared photodiodes based on Type-II strained layer superlattices

Sankha Das, Yu Ling Goh, Chee Hing Tan, John Paul David, Jean-Baptiste Rodriguez, Elena Plis, Yagya Sharma, Ha Sul Kim, Sanjay Krishna

Proceedings Volume 7113, 71130I (2008) https://doi.org/10.1117/12.802203

KEYWORDS: Gallium antimonide, Gallium arsenide, Superlattices, Laser sintering, Photodiodes, Mercury cadmium telluride, Mid-IR, Infrared radiation, Sensors, Quantum efficiency

Read Abstract +

Proceedings Article | 3 September 2008 Paper

Low strain quantum dots in a double well infrared detector

R. Shenoi, J. Hou, Y. Sharma, J. Shao, T. Vandervelde, S. Krishna

Proceedings Volume 7082, 708207 (2008) https://doi.org/10.1117/12.795661

KEYWORDS: Sensors, Infrared detectors, Quantum dots, Infrared sensors, Long wavelength infrared, Gallium arsenide, Infrared radiation, Mid-IR, Absorption, Quantum well infrared photodetectors

Read Abstract +

Proceedings Article | 2 May 2008 Paper

nBn based infrared detectors using type-II InAs/(In,Ga)Sb superlattices

E. Plis, H. S. Kim, J. B. Rodriguez, G. Bishop, Y. Sharma, A. Khoshakhlagh, L. Dawson, J. Bundas, R. Cook, D. Burrows, R. Dennis, K. Patnaude, A. Reisinger, M. Sundaram, S. Krishna

Proceedings Volume 6940, 69400E (2008) https://doi.org/10.1117/12.780375

KEYWORDS: Stereolithography, Sensors, Long wavelength infrared, Mid-IR, Staring arrays, Gallium antimonide, Etching, Superlattices, Quantum efficiency, Heterojunctions

Read Abstract +

Proceedings Article | 2 May 2008 Paper

Multicolor quantum dots-in-a-well focal plane arrays

Thomas Vandervelde, Michael Lenz, Eric Varley, Ajit Barve, Jiayi Shao, Rajeev Shenoi, David Ramirez, Wooyong Jang, Yagya Sharma, Sanjay Krishna

Proceedings Volume 6940, 694003 (2008) https://doi.org/10.1117/12.782123

KEYWORDS: Staring arrays, Sensors, Long wavelength infrared, Gallium arsenide, Mid-IR, Photodetectors, Quantum efficiency, Quantum wells, Quantum well infrared photodetectors, Quantum dots

Read Abstract +

Proceedings Article | 26 September 2007 Paper

Plasmon assisted photonic crystal quantum dot sensors

R. Shenoi, D. Ramirez, Y. Sharma, R. Attaluri, J. Rosenberg, O. Painter, S. Krishna

Proceedings Volume 6713, 67130P (2007) https://doi.org/10.1117/12.735724

KEYWORDS: Sensors, Metals, Quantum dots, Photonic crystals, Gallium arsenide, Plasmons, Plasmonics, Mid-IR, Interfaces, Long wavelength infrared

Read Abstract +

Proceedings Article | 13 June 2007 Paper

Type-II InAs/GaSb strain layer superlattice detectors for higher operating temperatures

J. B. Rodriguez, E. Plis, S. J. Lee, H. Kim, G. Bishop, Y. D. Sharma, L. R. Dawson, S. Krishna, C. Jones

Proceedings Volume 6542, 654208 (2007) https://doi.org/10.1117/12.720637

KEYWORDS: Gallium antimonide, Sensors, Laser sintering, Indium arsenide, Diodes, Superlattices, Mid-IR, Readout integrated circuits, Silicon, Stereolithography

Read Abstract +

SPIE Journal Paper | 1 March 2006

Optical characterization of Ag–Sb–Te chalcogenide thin films

Yagyadeva Sharma, Promod Bhatnagar

OE, Vol. 45, Issue 03, 033801, (March 2006) https://doi.org/10.1117/12.10.1117/1.2181586

KEYWORDS: Silver, Antimony, Tellurium, Reflectivity, Transmittance, Thin films, Chalcogenides, Annealing, Crystals, Optical engineering

Read Abstract +

SPIE Journal Paper | 1 September 2005

Glass-forming tendency and crystallization kinetics of Ag-Sb-Te glasses

Yagyadeva Sharma, Promod Bhatnagar

OE, Vol. 44, Issue 09, 095202, (September 2005) https://doi.org/10.1117/12.10.1117/1.2048767

KEYWORDS: Glasses, Silver, Crystals, Tellurium, Thermal analysis, Optical engineering, Antimony, Quartz, Optical storage, Polymers

Read Abstract +

Proceedings Article | 24 August 2005 Paper

Optical and thermal characterizations of AgSbTe chalcogenide-based thin films

Y. Sharma, P. Bhatnagar, T. Suhara

Proceedings Volume 5870, 587003 (2005) https://doi.org/10.1117/12.613842

KEYWORDS: Silver, Glasses, Crystals, Transmittance, Tellurium, Antimony, Reflectivity, Thermography, Thin films, Spectrophotometry

Read Abstract +

Proceedings Article | 29 September 2004 Paper

Chalcogenide-based system and its thin films for phase change optical data storage

Yagya Sharma, Promod Bhatnagar

Proceedings Volume 5527, (2004) https://doi.org/10.1117/12.559594

KEYWORDS: Crystals, Optical storage, Silver, Tellurium, Antimony, Thin films, Annealing, Diffraction, Scanning electron microscopy, Diffusion

Read Abstract +

Proceedings Article | 4 November 2003 Paper

Characterization of Ag-Sb-Te alloy and their films for phase-change optical memories

Yagya Sharma, P. Bhatnagar

Proceedings Volume 5188, (2003) https://doi.org/10.1117/12.505604

KEYWORDS: Glasses, Crystals, Silver, Optical storage, Transmittance, Tellurium, Reflectivity, Antimony, Annealing, Optical recording

Read Abstract +

Proceedings Article | 11 November 2002 Paper

Ag-Sb-Te system for phase change optical data storage

Yagya Sharma, Promod Bhatnagar

Proceedings Volume 4779, (2002) https://doi.org/10.1117/12.453720

KEYWORDS: Glasses, Optical storage, Silver, Transmittance, Crystals, Reflectivity, Tellurium, Thermal analysis, Optical analysis, Annealing

Read Abstract +

SPIE Journal Paper | 1 July 2002

Structural and thermal analysis of Ag-Sb-Te alloy and its films for phase change optical memories

Yagya Sharma, Promod Bhatnagar

OE, Vol. 41, Issue 07, (July 2002) https://doi.org/10.1117/12.10.1117/1.1481897

KEYWORDS: Silver, Crystals, Antimony, Tellurium, Glasses, X-ray diffraction, Annealing, Thermal analysis, Optical storage, Scanning electron microscopy

Proceedings Article | 16 April 2002 Paper

Crystallization process of Ag-Sb-Te alloy and films for phase-change optical data storage

Yagya Sharma, Promod Bhatnagar

Proceedings Volume 4648, (2002) https://doi.org/10.1117/12.462660

KEYWORDS: Crystals, Glasses, Silver, Optical storage, Transmittance, Tellurium, Optical analysis, Reflectivity, Antimony, Thermal analysis

Read Abstract +

Proceedings Article | 6 November 2001 Paper

New chalcogenide alloy as phase-change optical recording material

Yagya Sharma, Laxman Singh, Promod Bhatnagar

Proceedings Volume 4453, (2001) https://doi.org/10.1117/12.447641

KEYWORDS: Glasses, Crystals, Silver, Chalcogenides, Optical recording, Tellurium, Antimony, X-ray diffraction, Optical storage, Thulium

Read Abstract +

Proceedings Article | 29 October 2001 Paper

Structural and thermal analysis of a new phase-change optical memory material: Ag-Sb-Te

Yagya Sharma, Chhavi Bhatnagar, Promod Bhatnagar

Proceedings Volume 4594, (2001) https://doi.org/10.1117/12.446584

KEYWORDS: Glasses, Silver, X-ray diffraction, Crystals, Thermal analysis, Optical storage, Scanning electron microscopy, Annealing, Transmission electron microscopy, Antimony

Read Abstract +