REFLECTANCE MODULATOR BASED ON TANDEM FABRY-PEROT RESONATORS

被引：12

作者：

FRITZ, IJ

KLEM, JF

WENDT, JR

机构：

来源：

APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 07期

关键词：

D O I：

10.1063/1.105332

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present calculations and data on a novel, electrically tunable reflector structure consisting of tandem Fabry-Perot resonators grown as a single epitaxial device. The device consists of three mirrors (quarter-wave stacks of AlGaAs and AlAs) separated by two cavities (one an AlGaAs alloy and the other a GaAs/AlGaAs superlattice) on a GaAs substrate. The tandem cavities produce a characteristic double-dipped reflectance spectrum which can be modulated by tunable electro-optic effects in the superlattice cavity. Our demonstration device has a modulation depth of > 10% over a 20 nm bandwidth with < 4 V of bias swing.

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页码：753 / 755

页数：3

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