Broadband Chaos Generation Using Monolithic Dual-Mode Laser With Optical Feedback

被引：21
|
作者：
Pan, Biwei [1 ]
Lu, Dan [1 ]
Zhao, Lingjuan [1 ]
机构：
[1] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Broadband; chaos; dual-mode laser; TIME-DELAY SIGNATURE; RANDOM BIT GENERATION; SEMICONDUCTOR-LASER; AMPLIFIED FEEDBACK; BANDWIDTH; INJECTION; ENHANCEMENT; MICROWAVE; SUBJECT;
D O I：
10.1109/LPT.2015.2474357
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：
We propose and demonstrate a novel broadband chaos generator using monolithic-integrated dual-mode amplified feedback laser (AFL) with an optical feedback. An external fiber loop is used to drive a free-running dual-mode AFL into a chaos state. The intercoupling between the two chaotic oscillation originated from the two laser modes produces a broadband chaos signal with a flat RF spectrum. A robust chaotic signal that covers an RF frequency of over 50 GHz, with a bandwidth of 32 GHz, an effective bandwidth of 28 GHz, and a flatness of 6.3 dB, is experimentally achieved.
引用
收藏
页码：2516 / 2519
页数：4
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