Analysis and optimization of a dual-absorption RCE photodetector for high-speed applications

Ding Li; Yongqing Huang; Xiaofeng Duan; Wei Wang; Xiaomin Ren

doi:10.1117/12.917996

28 November 2011 Analysis and optimization of a dual-absorption RCE photodetector for high-speed applications

Ding Li, Yongqing Huang, Xiaofeng Duan, Wei Wang, Xiaomin Ren

Proceedings Volume 8308, Optoelectronic Materials and Devices VI; 83082D (2011) https://doi.org/10.1117/12.917996
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

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.

Citation Download Citation

Ding Li, Yongqing Huang, Xiaofeng Duan, Wei Wang, and Xiaomin Ren "Analysis and optimization of a dual-absorption RCE photodetector for high-speed applications", Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83082D (28 November 2011); https://doi.org/10.1117/12.917996

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