Characteristics of chaos synchronization in semiconductor lasers subject to polarization-rotated optical feedback
Characteristics of chaos synchronization in semiconductor lasers subject to polarization-rotated optical feedback
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DOI：
10.1109/jqe.2006.870226
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发表时间：
2006-03
影响因子：
2.5
通讯作者：
N. Shibasaki;A. Uchida;S. Yoshimori;P. Davis
中科院分区：
文献类型：
--
作者：
N. Shibasaki;A. Uchida;S. Yoshimori;P. Davis
数值研究了偏振旋转光反馈下半导体激光器混沌同步的详细特性。驱动激光器的主TE模式的发射旋转90度，并以时间延迟反馈到激光器。偏振旋转的TE模式也以时间延迟被注入到第二激光器的TM模式中。两种类型的同步具有不同的时间滞后被发现，在与非旋转光反馈的半导体激光器的同步的情况下。然而，与非旋转光反馈情况的显著区别在于，两种类型的同步都不需要两个激光器之间的光载波频率的匹配。
We numerically investigate the detailed characteristics of chaos synchronization in semiconductor lasers subject to polarization-rotated optical feedback. The emission of the dominant TE mode of a drive laser is rotated 90 deg and fed back to the laser with time delay. The polarization-rotated TE mode is also injected with time delay into the TM mode of a second laser. Two types of synchronization with different time-lags are found, as in the case for synchronization in semiconductor lasers with nonrotated optical feedback. However, a significant difference to the nonrotated optical feedback case is that neither of the two types of synchronization requires matching of optical carrier frequency between the two lasers.