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2014

nBn T2SLs InAs/GaSb/B-AlGaSb HOT detector for fast frequency response operation

P Martyniuk, W Pusz, W Gawron, D Stępień, S Krishna, A Rogalski

Optoelectronic and Microelectronic Materials & Devices (COMMAD), 2014 Conference on


Adaptive polymer lens for rapid zoom shortwave infrared imaging applications

Freddie Santiago, Brett E Bagwell, Victor Pinon, Sanjay Krishna

Optical Engineering


Mid-infrared InAsSb-based nBn photodetectors with AlGaAsSb barrier layers–Grown on GaAs, using an interfacial misfit array, and on native GaSb

AP Craig, ARJ Marshall, Z-B Tian, S Krishna

Infrared Physics & Technology


Influence of composition in InAs/GaSb type-II superlattices on their optical properties

Z-B Tian, EA Plis, RT Hinkey, S Krishna

Electronics Letters


High temperature terahertz response in ap-type quantum dot-in-well photodetector

Seyoum Wolde, Yan-Feng Lao, AG Unil Perera, YH Zhang, TM Wang, JO Kim, Ted Schuler-Sandy, Zhao-Bing Tian, S Krishna

Applied Physics Letters


High operating temperature midwave infrared (MWIR) photodetectors based on type II InAs/GaSb strained layer superlattice

David A Ramirez, Elena Plis, Stephen Myers, Laura A Treider, Eli Garduno, Christian P Morath, Vincent M Cowan, Sanjay Krishna

PIE Optical Engineering+ Applications


Two-photon photovoltaic effect in gallium arsenide

Jichi Ma, Jeff Chiles, Yagya D Sharma, Sanjay Krishna, Sasan Fathpour

Optics letters


Graphene nano-objects tailored by interference lithography

Alireza Kazemi, Xiang He, Javad Ghasemi, Seyed H Alaie, Noel M Dawson, Brianna Klein, Karissa Kiesow, Douglas Wozniak, Terefe Habteyes, Steven RJ Brueck, Sanjay Krishna

SPIE NanoScience+ Engineering


XBn and cascade infrared detectors for mid-wave range and HOT conditions

P Martyniuk, W Gawron, A Kowalewski, E Plis, S Krishna, A Rogalski

JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS


High operating temperature interband cascade focal plane arrays

Z-B Tian, SE Godoy, HS Kim, T Schuler-Sandy, JA Montoya, S Krishna

Applied Physics Letters


A novel readout circuit for on-sensor multispectral classification

Javad Ghasemi, Payman Zarkesh-Ha, Sanjay Krishna, Sebastian E Godoy, Majeed M Hayat

Circuits and Systems (MWSCAS), 2014 IEEE 57th International Midwest Symposium on


Large aperture adaptive doublet polymer lens for imaging applications

Freddie Santiago, Brett Bagwell, Ty Martinez, Sergio Restaino, Sanjay Krishna

JOSA A


Terahertz compressive imaging with metamaterial spatial light modulators

Claire M Watts, David Shrekenhamer, John Montoya, Guy Lipworth, John Hunt, Timothy Sleasman, Sanjay Krishna, David R Smith, Willie J Padilla

Nature Photonics


Order-of-magnitude enhancement of intersubband photoresponse in a plasmonic quantum dot system

Rajeev V Shenoi, Shawn-Yu Lin, Sanjay Krishna, Danhong Huang

Optics letters


Mid-infrared Materials, Devices and Focal Plane Arrays for Intelligent Imaging Systems

Sanjay Krishna

Integrated Photonics Research, Silicon and Nanophotonics


Mid-wave infrared interband cascade photodetectors and focal plane arrays

Z-B Tian, SE Godoy, HS Kim, T Schuler-Sandy, J Montoya, S Krishna

SPIE Defense+ Security


MWIR superlattice detectors integrated with substrate side-illuminated plasmonic coupler

M Zamiri, E Plis, JO Kim, SC Lee, A Neumann, S Myers, EP Smith, AM Itsuno, JGA Wehner, SM Johnson, SRJ Brueck, S Krishna

SPIE Defense+ Security


Passivation of long-wave infrared InAs/GaSb superlattice detectors with epitaxially grown ZnTe

Elena Plis, Maya Narayanan Kutty, Stephen Myers, Sanjay Krishna, Chihyu Chen, Jamie D Phillips

SPIE Defense+ Security


Model-based edge detector for spectral imagery using sparse spatiospectral masks

Biliana S Paskaleva, Sebastián E Godoy, Woo-Yong Jang, Steven C Bender, Sanjay Krishna, Majeed M Hayat

IEEE Transactions on Image Processing


Study of valence-band intersublevel transitions in InAs/GaAs quantum dots-in-well infrared photodetectors

Yan-Feng Lao, Seyoum Wolde, AG Unil Perera, YH Zhang, TM Wang, JO Kim, Ted Schuler-Sandy, Zhao-Bing Tian, SS Krishna

Applied Physics Letters


Mid-wavelength infrared type-II InAs/GaSb superlattice interband cascade photodetectors

Wioletta Pusz, Andrzej Kowalewski, Piotr Martyniuk, Waldemar Gawron, Elena Plis, Sanjay Krishna, Antoni Rogalski

Optical Engineering


Coded and compressive thz imaging with metamaterials

Claire M Watts, David Shrekenhamer, John Montoya, Guy Lipworth, John Hunt, Timothy Sleasman, Sanjay Krishna, David R Smith, Willie J Padilla

SPIE OPTO


Carrier lifetime studies in midwave infrared type-II InAs/GaSb strained layer superlattice

Brianna Klein, Nutan Gautam, Elena Plis, Ted Schuler-Sandy, Thomas J Rotter, Sanjay Krishna, Blair C Connelly, Grace D Metcalfe, Paul Shen, Michael Wraback

Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena


Investigation of quantum efficiency in mid-wave infrared (MWIR) InAs/GaSb type-II strained layer superlattice (T2SL) detectors

Lilian Acosta, Brianna Klein, Zhao-Bing Tian, Eric Frantz, Stephen Myers, Nutan Gautam, Ted Schuler-Sandy, Elena Plis, Sanjay Krishna

SPIE OPTO


Effect of barrier on the performance of sub-monolayer quantum dot infrared photodetectors

Jun Oh Kim, Zahyun Ku, Alireza Kazemi, Augustine Urbas, Sang-Woo Kang, Sam Kyu Noh, Sang Jun Lee, Sanjay Krishna

Optical Materials Express


Polarization-dependent photocurrent enhancement in metamaterial-coupled quantum dots-in-a-well infrared detectors

Yagya D Sharma, Young Chul Jun, Jun Oh Kim, Igal Brener, Sanjay Krishna

Optics Communications


InAs/GaAs p-type quantum dot and dots-in-well infrared photodetectors

AG UnilPerera, YF Lao, S Wolde, YH Zhang, TM Wang, JO Kim, Ted Schuler-Sandy, Zhao-Bing Tian, SS Krishna

OSA Topical Conference:The 4th Advances in Optoelectronics and Micro/nano-optics


Analysis of Temperature Dependence of Dark Current Mechanisms in Mid-Wavelength Infrared pin Type-II Superlattice Photodiodes

Jarosław Wróbel, Elena Plis, Waldemar Gawron, Marcin Motyka, Piotr Martyniuk, Paweł Madejczyk, Andrzej Kowalewski, Mateusz Dyksik, Jan Misiewicz, Sanjay Krishna, Antoni Rogalski

Sensors and Materials