Wavelength-selective photodetectors operating at long wavelength

Hui Huang; Xiaomin Ren; Qi Wang; Xingyan Wang; Hailin Cui; Wenjuan Wang; Ang Miao; Yiqun Li; Yongqing Huang

doi:10.1117/12.688384

6 October 2006 Wavelength-selective photodetectors operating at long wavelength

Hui Huang, Xiaomin Ren, Qi Wang, Xingyan Wang, Hailin Cui, Wenjuan Wang, Ang Miao, Yiqun Li, Yongqing Huang

Proceedings Volume 6352, Optoelectronic Materials and Devices; 63521E (2006) https://doi.org/10.1117/12.688384
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

We demonstrate a wavelength-selective photodetector that combines a Fabry-Perot filtering-cavity (FPC) with a taper absorption-cavity (TAC). The taper cavity shows non-resonant effect but exhibits absorption enhancement effect, so that high-speed, high quantum efficiency, wide tuning range and ultra-narrow spectral linewidth can be achieved simultaneously. Device performance was theoretically investigated by including key factors such as taper angle, finite-size diffracting-beam input, and lateral walk-off in the taper cavity. The device was fabricated by bonding a GaAs-based FPC, which can be tuned via thermal-optic effect, with an InP-based TAC. The experiment results of the devices were reported in another paper.

Citation Download Citation

Hui Huang, Xiaomin Ren, Qi Wang, Xingyan Wang, Hailin Cui, Wenjuan Wang, Ang Miao, Yiqun Li, and Yongqing Huang "Wavelength-selective photodetectors operating at long wavelength", Proc. SPIE 6352, Optoelectronic Materials and Devices, 63521E (6 October 2006); https://doi.org/10.1117/12.688384

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