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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 11 — Nov. 1, 2012
  • pp: 110402–110402

Monolithically integrated dual-wavelength photodetector based on a step-shaped Fabry-Perot filter

Xinye Fan, Yongqing Huang, Xiaomin Ren, Xiaofeng Duan, Fuquan Hu, and Qi Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 11, pp. 110402-110402 (2012)


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Abstract

A novel long wavelength photodetector with dual-wavelength spectral response is designed and fabricated using a step-shaped Fabry-P'erot (F-P) filter structure. The step-shaped GaAs/AlGaAs distributed Bragg reflectors and the InP PIN photodetector are grown on a GaAs substrate using low pressure metal organic chemical vapor deposition. High quality GaAs/InP heteroepitaxy is realized by employing a thin low temperature buffer layer. The photodetector structure is optimized by theoretical simulation. This device has a dual-peak distance of 19 nm (1 558 and 1 577 nm). The 3-dB bandwidth of 16 GHz is simultaneously obtained with peak quantum efficiencies of 8.5% and 8.6% around 1 558 and 1 577 nm, respectively.

© 2012 Chinese Optics Letters

OCIS Codes
(040.5160) Detectors : Photodetectors
(050.2230) Diffraction and gratings : Fabry-Perot
(120.2440) Instrumentation, measurement, and metrology : Filters

ToC Category:
Detectors

Citation
Xinye Fan, Yongqing Huang, Xiaomin Ren, Xiaofeng Duan, Fuquan Hu, and Qi Wang, "Monolithically integrated dual-wavelength photodetector based on a step-shaped Fabry-Perot filter," Chin. Opt. Lett. 10, 110402-110402 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-11-110402

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