Asymmetry in the dark current low frequency noise behavior of quantum well infrared photodetectors (QWIPs)

被引：0

作者：

Kolev, P ^{[1
]}

Deen, MJ ^{[1
]}

Liu, HC ^{[1
]}

Li, JM ^{[1
]}

Buchanan, M ^{[1
]}

Wasilevski, ZR ^{[1
]}

机构：

[1] Simon Fraser Univ, Sch Engn Sci, Burnaby, BC V5A 1S6, Canada

来源：

NOISE IN PHYSICAL SYSTEMS AND 1/F FLUCTUATIONS, PROCEEDINGS OF THE 14TH INTERNATIONAL CONFERENCE | 1997年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper we present experimental results demonstrating the significant effect that the type of intersubband transition has on the balance between the two dark current components in quantum well infrared photodetectors (QWIPs). This balance is manifested by examining the commonly observed asymmetry between dark currents under forward and reverse bias voltages in the temperature range 5 K to 80 K. The experimental results indicate a clear relationship between the excessive low-frequency noise asymmetry and the tunneling component of the dark current. One cause of this behavior could be the scattering from unequal potential barriers.

引用

页码：521 / 524

页数：4

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