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Proceedings Paper

Simulation and parameters optimization of high gain silicon micro-pixel avalanche photodiode
Author(s): Fangkui Sun; Huaiqi Gu; Zhiwei Wang; Lixue Chen
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Paper Abstract

In this paper, the silicon avalanche photodiode (Si-APD) size in micron, which was comprised of separate layer of absorption charge and multiplication (SACM) has been studied. The influence of different thicknesses and different doping concentration of the absorption, charge and multiplication layer on the electric field distribution, current-voltage characteristic and breakdown voltage were simulated and analyzed respectively. The structural parameters optimization has be done with the simulation results. The results show that the better gain and low bias voltage can be achieved with layer thicknesses in micro/nano-sized, which can give a high gain of 106 and low bias voltage of 127V. Also the fabrication process conditions has been given.

Paper Details

Date Published: 27 November 2012
PDF: 7 pages
Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 855518 (27 November 2012); doi: 10.1117/12.999907
Show Author Affiliations
Fangkui Sun, Harbin Institute of Technology (China)
Huaiqi Gu, Harbin Institute of Technology (China)
Zhiwei Wang, Harbin Institute of Technology (China)
Lixue Chen, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 8555:
Optoelectronic Devices and Integration IV
Xuping Zhang; Hai Ming; Joel M. Therrien, Editor(s)

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