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混沌光注入展宽半导体激光器混沌载波发射机带宽

Broadening the Bandwidth of Chaotic Carrier Transmitter in Semiconductor Lasers with Chaotic Optical Injection

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摘要

分析了一种展宽半导体激光器混沌载波发射机带宽的方案,即混沌光注入的外腔反馈半导体激光混沌发生器。利用数值模拟的方法分析了主从半导体激光器中失谐频率、注入强度、主从激光器偏置电流和从激光器的反馈强度对混沌载波发射机带宽的影响以及主激光器反馈强度对混沌载波信号反馈延时特性的影响。确定了能将混沌有效带宽展宽到25.8 GHz的参数组,该带宽约为半导体激光器原始混沌带宽5.1 GHz的5倍。

Abstract

A scheme of broadening the bandwidth of chaotic carrier transmitter in semiconductor lasers, namely, semiconductor lasers with chaotic optical injection is analyzed. The influence of the parameters, such as the detuning frequency, injection strength, bias current and slave laser feedback intensity, on the chaotic carrier transmitter bandwidth and master laser feedback intensity on the time delay signature are analyzed respectively by numerical simulation. The parameter set of which can broad the bandwidth to 25.8 GHz is confirmed, and it is five times than the original bandwidth of 5.1 GHz.

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中图分类号:O415;N93

DOI:10.3788/lop54.061410

所属栏目:激光器与激光光学

基金项目:河南省重点科技攻关计划 (152102210012)

收稿日期:2016-11-15

修改稿日期:2016-12-06

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作者单位    点击查看

孙巍阳:解放军信息工程大学理学院, 河南 郑州 450000
张胜海:解放军信息工程大学理学院, 河南 郑州 450000
吴天安:解放军信息工程大学理学院, 河南 郑州 450000
张晓旭:解放军信息工程大学理学院, 河南 郑州 450000

联系人作者:孙巍阳(1533396627@qq.com)

备注:孙巍阳(1992-),男,硕士研究生,主要从事半导体激光器随机数生成方面的研究。

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引用该论文

Sun Weiyang,Zhang Shenghai,Wu Tianan,Zhang Xiaoxu. Broadening the Bandwidth of Chaotic Carrier Transmitter in Semiconductor Lasers with Chaotic Optical Injection[J]. Laser & Optoelectronics Progress, 2017, 54(6): 061410

孙巍阳,张胜海,吴天安,张晓旭. 混沌光注入展宽半导体激光器混沌载波发射机带宽[J]. 激光与光电子学进展, 2017, 54(6): 061410

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