宽带
混乱的
光学
横截面
光学混沌
频道(广播)
横模
物理
光通信
激光器
信号(编程语言)
半导体激光器理论
电信
计算机科学
工程类
人工智能
程序设计语言
结构工程
作者
Wei Yang,Guang-Qiong Xia,Zaifu Jiang,Elumalai Jayaprasath,Chunxia Hu,Zheng-Mao Wu
出处
期刊:Applied Optics
[The Optical Society]
日期:2019-10-15
卷期号:58 (30): 8160-8160
被引量:3
摘要
A multi-channel wideband chaotic signal generation scheme is proposed and numerically investigated based on a slave multi-transverse mode vertical-cavity surface-emitting laser (SL) subject to chaotic optical injection from a master multi-transverse mode vertical-cavity surface-emitting laser (ML) with optical feedback. Taking two low-order transverse modes, LP01 and LP11, as an example for numerical calculations, the simulated results show that under suitable optical feedback both the LP01 and LP11 modes (two-channel) of a ML can be driven into the chaotic states where their bandwidths are relatively narrow at a level about 8 GHz. Further injecting the two chaotic signals into a SL, for the case of the globally chaotic optical injection, the SL can output two-channel chaotic signals with wide bandwidths above 20 GHz under appropriate operation parameters. Moreover, the case of SL with mode-selective chaotic optical injection is also analyzed.
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