DESIGN OF A TUNABLE GAAS/ALGAAS MULTIPLE-QUANTUM-WELL RESONANT-CAVITY PHOTODETECTOR

被引：21

作者：

LAI, K

CAMPBELL, JC

机构：

[1] Microelectronics Research Center, Department of Electrical and Computer Engineering, The University of Texas, Austin, Texas

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1994年 / 30卷 / 01期

关键词：

D O I：

10.1109/3.272067

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We describe a tunable p-i-n photodetector using GaAs/AlGaAs multiple quantum wells (MQW) embedded in a vertical resonant cavity. The structure is similar to that employed for Fabry-Perot MQW modulators and lasers. Tunability is achieved by utilizing the quantum-confined Stark effect. The calculated response predicts a tuning range up to 20 nm. As a dual-channel wavelength-division demultiplexer, the crosstalk ratio is calculated to be < - 5dB for one channel and < - 15 dB for the other. The quantum efficiencies are projected to be in the range of 40% to 55%.

引用

页码：108 / 114

页数：7

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