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Impact of unpredictability on chaos synchronization of vertical-cavity surface-emitting lasers with
Shuiying Xiang1, Wei Pan, Lianshan Yan
1Center for Information Photonics & Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China. jxxsy@126.com
Abstract:
The effects of unpredictability degree on the chaos synchronization properties of vertical-cavity surface-emitting lasers with variable-polarization optical feedback are investigated numerically. For variable-polarization optical injection, only low-unpredictability chaos can be well synchronized, while high-unpredictability chaos cannot be synchronized even with large injection strength. On the other hand, for the polarization-preserved optical injection, the synchronization quality is hardly affected by the unpredictability degree, and high-quality synchronization can be achieved for both low- and high-unpredictability chaos due to injection locking.
