Exact numerical analysis of resonant-cavity-enhanced photodetectors with matrix simulation

Kai Liu; Yongqing Huang; Xiaomin Ren

doi:10.1117/12.338975

27 January 1999 Exact numerical analysis of resonant-cavity-enhanced photodetectors with matrix simulation

Kai Liu, Yongqing Huang, Xiaomin Ren

Proceedings Volume 3532, Optical Wireless Communications; (1999) https://doi.org/10.1117/12.338975
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

Great efforts have been made on the research and development of resonant cavity enhanced photodetectors since the structure was proposed by Katsumi Kishino and M. Selim Unlu in 1991. Based on all these works, a new analysis method, considering the effect of the refractive index differences between different layers of the structure on the characteristics of the device with matrix simulation, is presented in this paper. With such an analytical way, we can analyze the effects of the dielectric stacks, which forming the mirrors, on the response of the photodetector directly. And the standing wave effects of the detector's responses can be accurately calculated. In comparison with the former method established by Katsumi Kishino and M. Selim Unlu, our analysis leads to little difference in calculated maximum quantum efficiency but an obvious one in calculated optical response spectrum, for small inter-layer refractive index differences (< +/- 0.6). Whereas for large inter-layer refractive index differences, remarkable differences in both aspects of the above mentioned characteristics are resulted. Our analysis shows better agreement with experiments.

Citation Download Citation

Kai Liu, Yongqing Huang, and Xiaomin Ren "Exact numerical analysis of resonant-cavity-enhanced photodetectors with matrix simulation", Proc. SPIE 3532, Optical Wireless Communications, (27 January 1999); https://doi.org/10.1117/12.338975

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