Synchronization of chaotic semiconductor lasers by optical injection with random phase modulation

被引：6
|
作者：
Goto, Shin-itiro [1 ,2 ]
Davis, Peter [2 ]
Yoshimura, Kazuyuki [2 ]
Uchida, Atsushi [3 ]
机构：
[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
[2] NTT Corp, NTT Commun Sci Labs, Seika, Kyoto 6190237, Japan
[3] Saitama Univ, Dept Informat & Comp Sci, Sakura Ku, Saitama 3388570, Japan
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2009年 / 41卷 / 03期
关键词：
Semiconductor lasers; Laser diodes; Dynamics of nonlinear optical systems; Optical instabilities; Optical chaos and complexity; Optical spatio-temporal dynamics; Synchronization; Coupled oscillators; LIGHT INJECTION; OPEN-LOOP; LOCKING; STABILITY; COMMUNICATION; OSCILLATORS; SUBJECT;
D O I：
10.1007/s11082-009-9333-y
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：
It is shown that identical synchronization of two chaotic semiconductor lasers can be achieved by injection of a common optical signal with randomly varying phase. An optical signal with randomly modulated phase is injected into two semiconductor lasers which have chaotic oscillations due to optical feedback. Strong correlation between complex intensity oscillations of the two lasers is observed even though the intensity of the common injection signal is constant. Characteristic properties of this type of synchronization are shown, in particular, the dependence of the synchronization threshold on the injection strength and the rate of phase modulation, and the dependence of the intensity correlation on the difference in phase of optical feedback.
引用
收藏
页码：137 / 149
页数：13
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