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Journal Article Numerical analysis and design of a new traveling-wave photodetector with an asymmetric i-layer cross section
Cited 9 time in scopus Share share facebook twitter linkedin kakaostory
Authors
Soon-Cheol Kong, Seong-Hae Ok, Young-Wan Choi, Joong-Seon Choe, Yong-Hwan Kwon, Je-Ha Kim
Issue Date
2003-06
Citation
IEEE Journal of Selected Topics in Quantum Electronics, v.9, no.3, pp.770-775
ISSN
1077-260X
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/JSTQE.2003.818850
Abstract
We propose a new type of the traveling-wave photodetector (TWPD) that has an asymmetric intrinsic layer cross section to enhance bandwidth. In this paper, analysis and design of TWPDs are presented using the finite-difference time-domain method. A full-wave analysis is performed by a numerical technique and impulse responses are obtained in a linear regime. The simulation and experiment results show that 3-dB bandwidth is increased by the difference between electron and hole saturation velocities.