Generation of 27 GHz flat broadband chaotic laser with semiconductor laser loop

被引：4
|
作者：
Feng Ye [1 ]
Yang Yi-Biao [1 ]
Wang An-Bang [1 ]
Wang Yun-Cai [1 ,2 ]
机构：
[1] Taiyuan Univ Technol, Dept Phys & Optoelect, Taiyuan 030024, Peoples R China
[2] Shanxi Univ, Inst Optoelect, State Key Lab Quantum Opt & Quantum Opt Devices C, Taiyuan 030006, Peoples R China
来源：
ACTA PHYSICA SINICA | 2011年 / 60卷 / 06期
基金：
中国国家自然科学基金;
关键词：
laser; chaos; broadband; loop structure; BANDWIDTH-ENHANCED CHAOS; SYNCHRONIZATION; COMMUNICATION;
D O I：
10.7498/aps.60.064206
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Generation of flat broadband chaotic signal is demonstrated experimentally with a semiconductor laser loop, which consists of three laser diodes mainly. The output of each laser diode is injected into its neighbor diode as a loop. The injection light strength is controlled with erbium-dropped optical fiber amplifier or attenuator which is inserted between the diodes, and the detuning is adjusted by changing the temperature of the laser diode. Limited by the bandwidth of the laser diode, the bandwidth of the flat broadband chaotic signal is broader than 27 GHz or even more, and the fluctuation of the spectrum cure is less than 5 dB.
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页数：5
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