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Optical and Quantum Electronics

, Volume 40, Issue 9, pp 623–631 | Cite as

Open loop synchronization of semiconductor lasers with periodical injection

  • Wei Li Zhang
  • Wei Pan
  • Bin Luo
  • Xi Hua Zou
  • Meng Yao Wang
Article

Abstract

In this paper, the influence of fluctuation amplitude and frequency of the injection field on the dynamics and synchronization of semiconductor lasers are studied numerically. The fluctuation amplitude and frequency of the injection field are controlled by external modulation of the master laser. In the simulation, we use a modified correlation coefficient named similarity index to evaluate the synchronization performance. The results show that frequency and fluctuation amplitude of the injection field play important roles on the dynamics and synchronization quality of the system. Large fluctuation amplitude and moderate fluctuation frequency of the injection field will contribute to the synchronization of the two lasers. The results can also be extended to the analysis of chaotic signals.

Keywords

Laser technology Semiconductor laser Synchronization Injection locking 

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Copyright information

© Springer Science+Business Media, LLC. 2008

Authors and Affiliations

  • Wei Li Zhang
    • 1
  • Wei Pan
    • 1
  • Bin Luo
    • 1
  • Xi Hua Zou
    • 1
  • Meng Yao Wang
    • 1
  1. 1.School of Information Science and TechnologySouthwest Jiaotong UniversityChengduPeople’s Republic of China

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