MULTI-GIGAHERTZ-BANDWIDTH INTENSITY MODULATORS USING TUNABLE-ELECTRON-DENSITY MULTIPLE QUANTUM-WELL WAVE-GUIDES

被引：17

作者：

ZUCKER, JE

JONES, KL

WEGENER, M

CHANG, TY

SAUER, NJ

DIVINO, MD

CHEMLA, DS

机构：

[1] AT and T Bell Laboratories, Holmdel

来源：

APPLIED PHYSICS LETTERS | 1991年 / 59卷 / 02期

关键词：

D O I：

10.1063/1.105965

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the first measurement of modulation bandwidth in electron transfer quantum well modulators. A device with 1 pF capacitance provides > 10 dB optical modulation depth at 1.537-mu-m wavelength with a 3 dB electrical bandwidth of 5.7 GHz. Optical pump-probe measurements indicate that the fundamental response time is determined by the voltage-dependent speed of carrier escape from the well.

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页码：201 / 203

页数：3

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