Assessment of direct modulation in wireless fiber links based on heterodyning of sideband injection-locked semiconductor lasers

被引：0

作者：

Al-mumin, Mohammed ^{[1
]}

Al-hajeri, Abdalla

Li, Guifang

机构：

[1] Coll Technol Studies, Shuwaikh 70453, Kuwait

[2] Univ Cent Florida, CREOL, Sch Opt & Photon, Orlando, FL 32816 USA

来源：

KUWAIT JOURNAL OF SCIENCE & ENGINEERING | 2007年 / 34卷 / 1B期

关键词：

amplitude modulation; injection locked semiconductor lasers; phase modulation; sideband injection locking; wireless fiber links; LIGHT INJECTION; LOCKING;

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

This paper presents an assessment of wireless fiber links based on heterodyning of sideband-injection locked semiconductor lasers under direct current modulation. Using the Van der Pol equations for coupled oscillators, the small-signal response of the output power and phase of injection-locked semiconductor lasers are derived. The resultant intensity and phase modulation of the injection locked laser are assessed in terms of optimum power injection ratio and phase detuning between the master and slave lasers. Intensity and phase modulation have opposite preferable locking conditions. Optimizing the locking conditions increases the efficiency of phase modulation and ensures negligible amplitude modulation of the generated microwave signal. The performance of the PM system remains superior to the AM system for all locking conditions.

引用

页码：57 / 71

页数：15

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