Article citationsMore>>
Hofstetter, D., Bau-mann, E., Giorgetta, F.R., Theron, R., Wu, H., Schaff, W.J., Dawlaty, J., George, P.A., Eastman, L.F., Rana, F., Kandaswamy, P.K., Leconte, S. and Monroy, E. (2010) Intersubband Transition-Based Processes and Devices in AlN/ GaN-Based Heterostructures. Proceedings of the IEEE, 7.
https://doi.org/10.1109/JPROC.2009.2035465
has been cited by the following article:
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TITLE:
Design of 1.33 μm and 1.55 μm Wavelengths Quantum Cascade Photodetector
AUTHORS:
S. Khosravi, A. Rostami
KEYWORDS:
Quantum Cascade Photodetector, III-Nitride Multi Quantum Well, Responsivity and Detectivity
JOURNAL NAME:
Optics and Photonics Journal,
Vol.7 No.8B,
August
10,
2017
ABSTRACT:
In this paper, a quantum cascade photodetector based on intersubband transitions in quantum wells with ability of detecting 1.33 μm and 1.55 μm wavelengths in two individual current paths is introduced. Multi quantum wells structures based on III-Nitride materials due to their large band gaps are used. In order to calculate the photodetector parameters, wave functions and energy levels are obtained by solving 1-D Schrodinger–Poisson equation self consistently at 80 ?K. Responsivity values are about 22 mA/W and 18.75 mA/W for detecting of 1.33 μm and 1.55 μm wavelengths, respectively. Detectivity values are calculated as 1.17 × 107 (Jones) and 2.41 × 107 (Jones) at wavelengths of 1.33 μm and 1.55 μm wavelengths, respectively.
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