Polarization threshold switches based on ordered GaInP

被引：25

作者：

Greger, E ^{[1
]}

Riel, P ^{[1
]}

Moser, M ^{[1
]}

Kippenberg, T ^{[1
]}

Kiesel, P ^{[1
]}

Dohler, GH ^{[1
]}

机构：

[1] INST TECH PHYS I,D-91058 ERLANGEN,GERMANY

来源：

APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 22期

关键词：

D O I：

10.1063/1.120304

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on optoelectronic switching devices with high photoconductive gain which are sensitive to the polarization direction of the optical input. Due ro the large polarization anisotropy of the absorption coefficient of ordered GaInP, an electrical output can be switched ''on'' and ''off'' by rotating the linear polarization of the input light. Depending on the external adjustment of the working point, the structure can operate as a polarization threshold switch or a polarization detector, respectively. First results exhibit a switching contrast of 25 dB and a contrast of the detector signal of 7 dB between two perpendicularly polarized incident light beams, respectively. (C) 1997 American Institute of Physics.

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页码：3245 / 3247

页数：3

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