Publications

Found 83 results
Type [ Year(Asc)]
2005
Stiff-Roberts, AD, Chakrabarti, S, Xiaohua, SU, and Bhattacharya, P. "Research propels quantum dots forward." Laser Focus World 41, no. 5 (2005): 103-108.
Wu, ZK, Choi, H, Norris, TB, Stiff-Roberts, A, and Bhattacharya, P. "Ultrafast electronic dynamics in unipolar n-doped InAs/GaAs quantum dot structures." Quantum Electronics and Laser Science Conference (QELS) 1 (2005): - .
2004
Stiff-Roberts, AD, Su, XH, Chakrabarti, S, and Bhattacharya, P. "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.
Chakrabarti, S, Stiff-Roberts, AD, Bhattacharya, P, and Kennerly, SW. "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.
Chakrabarti, S, Stiff-Roberts, AD, Bhattacharya, P, and Kennerly, SW. "High responsivity AIAs/InAs/GaAs superlattice quantum dot infrared photodetector." Electronics Letters 40, no. 3 (2004): 197-198.
Chakrabarti, S, Stiff-Roberts, AD, Bhattacharya, P, Gunapala, S, Bandara, S, Rafol, SB, and Kennerly, SW. "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.
Su, XH, Chakrabarti, S, Stiff-Roberts, AD, Singh, J, and Bhattacharya, P. "Quantum dot infrared photodetector design based on double-barrier resonant tunnelling." Electronics Letters 40, no. 17 (2004): 1082-1083.
Bhattacharya, P, Ghosh, S, and Stiff-Roberts, AD. "Quantum dot opto-electronic devices." Annual Review of Materials Research 34 (2004): 1-40.
Su, XH, Stiff-Roberts, AD, Chakrabarti, S, Singh, J, and Bhattacharya, P. "Resonant tunneling quantum dot infrared photodetector (RT-QDIP): Separating dark current and photocurrent." Device Research Conference (DRC) (2004): 81-82.
2003
Kochman, B, Stiff-Roberts, AD, Chakrabarti, S, Phillips, JD, Krishna, S, Singh, J, and Bhattacharya, P. "Absorption, carrier lifetime, and gain in InAs-GaAs quantum-dot infrared photodetectors." IEEE Journal of Quantum Electronics 39, no. 3 (2003): 459-467.
Bhattacharya, P, Stiff-Roberts, AD, Chakrabarti, S, Krishna, S, Fischer, C, Norris, T, and Urayama, J. "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.
Stiff-Roberts, AD, Chakrabarti, S, Kennerly, S, and Bhattacharya, P. "High responsivity, polarization-sensitive, 70-layer InAs/GaAs quantum dot infrared photodetector." OSA Trends in Optics and Photonics Series 88 (2003): 464-466.
Stewart, K, Buda, M, Wong-Leung, J, Fu, L, Jagadish, C, Stiff-Roberts, A, and Bhattacharya, P. "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.
Chakrabarti, S, Bhattacharya, P, Stiff-Roberts, AD, Lin, YY, Singh, J, Lei, Y, and Browning, N. "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.
Chen, W, Shin, B, Goldman, RS, Stiff, A, and Bhattacharya, PK. "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.
Stiff-Roberts, AD, Chakrabarti, S, Bhattacharya, P, and Kennerly, S. "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.
Wu, ZK, Choi, H, Norris, TB, Stiff, AD, and Bhattacharya, PK. "Two photon absorption in quantum dot infrared photodetector." OSA Trends in Optics and Photonics Series 88 (2003): 1566-1567.
2002
Krishna, S, Stiff-Roberts, AD, Phillips, JD, Bhattacharya, P, and Kennerly, SW. "Hot dot detectors." IEEE Circuits and Devices Magazine 18, no. 1 (2002): 14-24.
Stiff-Roberts, AD, Krishna, S, Bhattacharya, P, and Kennerly, S. "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.
Bhattacharya, P, Stiff-Roberts, AD, Krishna, S, and Kennerly, S. "Quantum dot infrared detectors and sources." International Journal of High Speed Electronics and Systems 12, no. 4 (2002): 969-994.
Bhattacharya, P, Stiff-Roberts, AD, Krishna, S, and Kennerly, S. "Quantum dot infrared photodetectors." Proceedings of SPIE - The International Society for Optical Engineering 4646 (2002): 100-109.
Bhattacharya, P, Stiff-Roberts, AD, Krishna, S, and Kennerly, S. "Quantum dot long-wavelength detectors." Materials Research Society Symposium - Proceedings 692 (2002): 109-116.
Stiff-Roberts, AD, Chakrabarti, S, Pradhan, S, Kochman, B, and Bhattacharya, P. "Raster-scan imaging with normal-incidence, midinfrared InAs/GaAs quantum dot infrared photodetectors." Applied Physics Letters 80, no. 18 (2002): 3265-3267.
Stewart, K, Buda, M, Wong-Leung, J, Fu, L, Jagadish, C, Stiff-Roberts, A, and Bhattacharya, P. "Strain relaxation in rapid thermally annealed InAs/GaAs quantum dot infrared photodetectors." COMMAD 2002 PROCEEDINGS (2002): 475-478.
2001
Woodward, SL, Feuer, MD, Lam, CF, Boroditsky, M, and Stiff, AD. "Broadcasting a single wavelength over a WDM network." Conference on Optical Fiber Communication, Technical Digest Series 54, no. 3 (2001): WBB2/1-WBB2/3.

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