Wide optical bandwidth asymmetric Fabry-Perot reflection modulator using the quantum confined Stark effect

被引：8

作者：

Xu, MG ^{[1
]}

Fisher, TA ^{[1
]}

Dell, JM ^{[1
]}

Clark, A ^{[1
]}

机构：

[1] Univ Western Australia, Dept Elect & Elect Engn, Nedlands, WA 6907, Australia

来源：

JOURNAL OF APPLIED PHYSICS | 1998年 / 84卷 / 10期

关键词：

D O I：

10.1063/1.368867

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A normally on, high-performance quantum confined Stark effect asymmetric Fabry-Perot reflection modulator with enhanced optical bandwidth is reported. The wide optical bandwidth is achieved by utilizing the variation in refractive index in the vicinity of the heavy-hole exciton. The nominal operating wavelength is set in the region where the on-state refractive index starts to increase and allows the Fabry-Perot resonance condition to be maintained over a wide wavelength range. An optical bandwidth of 5 nm is achieved for an operating voltage of 7 V, insertion loss <2.5 dB, reflectance change >55% and contrast ratio > 15 dB, and 7 nm if the contrast ratio is relaxed to >10 dB. These values are twice as wide as previously reported for a quantum confined Stark effect modulator structure, and correspond to an operating temperature range of 25 degrees C compared to 10 degrees C for conventional structures. (C) 1998 American Institute of Physics. [S0021-8979(98)01022-6]

引用

页码：5761 / 5765

页数：5

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