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Numerical study of mode-locked semiconductor optical amplifier fiber ring laser

FEI WANG1,2, GUANGQIONG XIA1, ZHENGMAO WU1,*

Affiliation

  1. School of Physics, Southwest University, Chongqing 400715, China
  2. School of Science, Chongqing Institute of Technology, Chongqing 400050, China

Abstract

Based on self-reproduction theory, harmonic and rational harmonic mode-locked semiconductor optical amplifier (SOA) fiber ring lasers have been numerically investigated, respectively. Harmonic mode locking makes a target of obtaining ultra-short pulse. While in rational harmonic mode locking, it is urgently needed to solve that pulse amplitude becomes uneven with the increase of the order of rational harmonic. As a result, these two cases result in the different work conditions. After obtaining the optimal work condition, the effects of the system parameters on the characteristics of harmonic mode-locked pulse and the quality of pulse-amplitude equalization in rational harmonic mode locking have been investigated..

Keywords

Fiber laser, Harmonic mode locking, Rational harmonic mode locking, Semiconductor optical amplifier (SOA), Cross-gain modulation.

Submitted at: Jan. 18, 2006
Accepted at: May 18, 2006

Citation

FEI WANG, GUANGQIONG XIA, ZHENGMAO WU, Numerical study of mode-locked semiconductor optical amplifier fiber ring laser, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 3, pp. 1267-1272 (2006)