MODULATION OF PHASED-ARRAY SEMICONDUCTOR-LASERS AT K-BAND FREQUENCIES

被引：52

作者：

WILSON, GA ^{[1
]}

DEFREEZ, RK ^{[1
]}

WINFUL, HG ^{[1
]}

机构：

[1] UNIV MICHIGAN,DEPT ELECT ENGN & COMP SCI,ANN ARBOR,MI 48109

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1991年 / 27卷 / 06期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/3.89995

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：

Phased-array semiconductor lasers have been observed to self-modulate during CW operation at frequencies in the K band (12.5-40 GHz), considerably beyond the relaxation oscillation frequency. Coupling among the emitters has been identified as the mechanism for this behavior. In this paper, we use a simple model of a twin-emitter semiconductor laser phased-array to explore the possibility of driving emitter interactions by modulating the injection current to the emitters. Modulating the emitters out of phase with each other is shown to be essential to effective modulation beyond the relaxation oscillation frequency, opening new possibilities for high-speed optical communications and other applications. Some aspects of array design are discussed.

引用

页码：1696 / 1704

页数：9

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