1.55-μm and infrared-band photoresponsivity of a Schottky barrier porous silicon photodetector

被引:55
|
作者
Lee, MK [1 ]
Chu, CH
Wang, YH
Sze, SM
机构
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 804, Taiwan
[2] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu 300, Taiwan
关键词
D O I
10.1364/OL.26.000160
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have investigated the spectral responsivity of porous silicon Schottky barrier photodetectors in the wavelength range 0.4-1.7 mum The photodetectors show strong photoresponsivity in both the visible and the infrared bands, especially at 1.55 mum. The photocurrent can reach 1.8 mA at a reverse bias of 6 V under illumination by a 1.55-mum, 10-mW laser diode. The corresponding quantum efficiency is 14.4%. (C) 2001 Optical Society of America.
引用
收藏
页码:160 / 162
页数:3
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