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Proceedings Paper

Analysis and optimization of a dual-absorption RCE photodetector for high-speed applications
Author(s): Ding Li; Yongqing Huang; Xiaofeng Duan; Wei Wang; Xiaomin Ren
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Paper Abstract

Analysis of light field distribution within a dual-absorption RCE p-i-n photodetector has been performed. A formula for the field distribution inside the cavity is derived. This formula is derived from the continuity equations, and employed to evaluate the frequency response of the dual-absorption RCE photodetector. This photodetector has been optimized for high-speed applications. The optimized structure shows a 3dB bandwidth of 20 GB with intrinsic absorption region to be 400nm, as well as effective illumination area and peak quantum efficiency to be 900 μm2 and 92%, respectively.

Paper Details

Date Published: 28 November 2011
PDF: 7 pages
Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83082D (28 November 2011); doi: 10.1117/12.917996
Show Author Affiliations
Ding Li, Beijing Univ. of Posts and Telecommunications (China)
Yongqing Huang, Beijing Univ. of Posts and Telecommunications (China)
Xiaofeng Duan, Beijing Univ. of Posts and Telecommunications (China)
Wei Wang, Beijing Univ. of Posts and Telecommunications (China)
Xiaomin Ren, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 8308:
Optoelectronic Materials and Devices VI
Guang-Hua Duan, Editor(s)

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