Publications

Found 84 results
Type [ Year(Asc)]
2005
S Chakrabarti, AD Stiff-Roberts, XH Su, P Bhattacharya, G Ariyawansa, and AGU Perera. "High-performance mid-infrared quantum dot infrared photodetectors." Journal of Physics D: Applied Physics 38, no. 13 (2005): 2135-2141.
AD Stiff-Roberts, S Chakrabarti, SU Xiaohua, and P Bhattacharya. "Research propels quantum dots forward." Laser Focus World 41, no. 5 (2005): 103-108.
ZK Wu, H Choi, TB Norris, A Stiff-Roberts, and P Bhattacharya. "Ultrafast electronic dynamics in unipolar n-doped InAs/GaAs quantum dot structures." Quantum Electronics and Laser Science Conference (QELS) 1 (2005): - .
2004
AD Stiff-Roberts, XH Su, S Chakrabarti, and P Bhattacharya. "Contribution of Field-Assisted Tunneling Emission to Dark Current in InAs-GaAs Quantum Dot Infrared Photodetectors." IEEE Photonics Technology Letters 16, no. 3 (2004): 867-869.
S Chakrabarti, AD Stiff-Roberts, P Bhattacharya, and SW Kennerly. "Heterostructures for achieving large responsivity in InAs/GaAs quantum dot infrared photodetectors." Journal of vacuum science & technology. B, Microelectronics and nanometer structures : processing, measurement, and phenomena : an official journal of the American Vacuum Society 22, no. 3 (2004): 1499-1502.
S Chakrabarti, AD Stiff-Roberts, P Bhattacharya, and SW Kennerly. "High responsivity AIAs/InAs/GaAs superlattice quantum dot infrared photodetector." Electronics Letters 40, no. 3 (2004): 197-198.
S Chakrabarti, AD Stiff-Roberts, P Bhattacharya, S Gunapala, S Bandara, SB Rafol, and SW Kennerly. "High-temperature operation of InAs-GaAs quantum-dot infrared photodetectors with large responsivity and detectivity." IEEE Photonics Technology Letters 16, no. 5 (2004): 1361-1363.
XH Su, S Chakrabarti, AD Stiff-Roberts, J Singh, and P Bhattacharya. "Quantum dot infrared photodetector design based on double-barrier resonant tunnelling." Electronics Letters 40, no. 17 (2004): 1082-1083.
P Bhattacharya, S Ghosh, and AD Stiff-Roberts. "Quantum dot opto-electronic devices." Annual Review of Materials Research 34 (2004): 1-40.
XH Su, AD Stiff-Roberts, S Chakrabarti, J Singh, and P Bhattacharya. "Resonant tunneling quantum dot infrared photodetector (RT-QDIP): Separating dark current and photocurrent." Device Research Conference (DRC) (2004): 81-82.
2003
B Kochman, AD Stiff-Roberts, S Chakrabarti, JD Phillips, S Krishna, J Singh, and P Bhattacharya. "Absorption, carrier lifetime, and gain in InAs-GaAs quantum-dot infrared photodetectors." IEEE Journal of Quantum Electronics 39, no. 3 (2003): 459-467.
P Bhattacharya, AD Stiff-Roberts, S Chakrabarti, S Krishna, C Fischer, T Norris, and J Urayama. "Carrier dynamics in self-organized in(Ga)As/Ga(Al)as quantum dots and their application to long-wavelength sources and detectors." Institute of Physics Conference Series 174 (2003): 117-124.
AD Stiff-Roberts, S Chakrabarti, S Kennerly, and P Bhattacharya. "High responsivity, polarization-sensitive, 70-layer InAs/GaAs quantum dot infrared photodetector." OSA Trends in Optics and Photonics Series 88 (2003): 464-466.
K Stewart, M Buda, J Wong-Leung, L Fu, C Jagadish, A Stiff-Roberts, and P Bhattacharya. "Influence of rapid thermal annealing on a 30 stack InAs/GaAs quantum dot infrared photodetector." Journal of Applied Physics 94, no. 8 (2003): 5283-5289.
S Chakrabarti, P Bhattacharya, AD Stiff-Roberts, YY Lin, J Singh, Y Lei, and N Browning. "Intersubband absorption in annealed InAs/GaAs quantum dots: A case for polarization-sensitive infrared detection." Journal of Physics D: Applied Physics 36, no. 15 (2003): 1794-1797.
W Chen, B Shin, RS Goldman, A Stiff, and PK Bhattacharya. "Mechanisms of lateral ordering of InAs/GaAs quantum dot superlattices." Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures 21, no. 4 (2003): 1920-1923.
AD Stiff-Roberts, S Chakrabarti, P Bhattacharya, and S Kennerly. "Tailoring of quantum dot infrared photodetector performance with AlAs/GaAs superlattice barriers." Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS 2 (2003): 925-926.
ZK Wu, H Choi, TB Norris, AD Stiff, and PK Bhattacharya. "Two photon absorption in quantum dot infrared photodetector." OSA Trends in Optics and Photonics Series 88 (2003): 1566-1567.
2002
S Krishna, AD Stiff-Roberts, JD Phillips, P Bhattacharya, and SW Kennerly. "Hot dot detectors." IEEE Circuits and Devices Magazine 18, no. 1 (2002): 14-24.
AD Stiff-Roberts, S Krishna, P Bhattacharya, and S Kennerly. "Low-bias, high-temperature performance of a normal-incidence InAs/GaAs vertical quantum-dot infrared photodetector with a current-blocking barrier." Journal of vacuum science & technology. B, Microelectronics and nanometer structures : processing, measurement, and phenomena : an official journal of the American Vacuum Society 20, no. 3 (2002): 1185-1187.
P Bhattacharya, AD Stiff-Roberts, S Krishna, and S Kennerly. "Quantum dot infrared detectors and sources." International Journal of High Speed Electronics and Systems 12, no. 4 (2002): 969-994.
P Bhattacharya, AD Stiff-Roberts, S Krishna, and S Kennerly. "Quantum dot infrared photodetectors." Proceedings of SPIE - The International Society for Optical Engineering 4646 (2002): 100-109.
P Bhattacharya, AD Stiff-Roberts, S Krishna, and S Kennerly. "Quantum dot long-wavelength detectors." Materials Research Society Symposium - Proceedings 692 (2002): 109-116.
AD Stiff-Roberts, S Chakrabarti, S Pradhan, B Kochman, and P Bhattacharya. "Raster-scan imaging with normal-incidence, midinfrared InAs/GaAs quantum dot infrared photodetectors." Applied Physics Letters 80, no. 18 (2002): 3265-3267.
K Stewart, M Buda, J Wong-Leung, L Fu, C Jagadish, A Stiff-Roberts, and P Bhattacharya. "Strain relaxation in rapid thermally annealed InAs/GaAs quantum dot infrared photodetectors." COMMAD 2002 PROCEEDINGS (2002): 475-478.

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