Influence of optical feedback strength and semiconductor laser coherence on chaos communications

被引：10
作者：
Al Bayati, Ban M. [1 ]
Ahmad, Ahmad K. [1 ]
Al Naimee, Kais A. M. [2 ,3 ]
机构：
[1] Al Nahrain Univ, Dept Phys, Coll Sci, Baghdad, Iraq
[2] Univ Baghdad, Dept Phys, Coll Sci, Baghdad, Iraq
[3] CNR, Ist Nazl Ott, Largo E Fermi 6, I-50125 Florence, Italy
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2018年 / 35卷 / 04期
关键词：
SYNCHRONIZATION; LIGHT; SUPPRESSION; MODULATION; SPIKING; CAVITY;
D O I：
10.1364/JOSAB.35.000918
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The existence of high chaotic spiking in the dynamics of semiconductor lasers with an AC-coupled optical feedback is investigated experimentally. After chaos signal generation, the effect of attenuation feedback strength as a control parameter is studied, and the time evolution of photon density is analyzed. The chaotic instability is tested; our results exhibit monostability in dynamics. By applying different frequencies to observe the hidden regions, the chaotic dynamic results are indicated as a good candidate to hide information for satisfying the resonance phenomenon, to evaluate secure optical communication. (c) 2018 Optical Society of America
引用
收藏
页码：918 / 925
页数：8
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