Chinese Optics Letters, 2011, 9 (9): 091405, Published Online: Jun. 22, 2011
Simulation of nanosecond square pulse f iber laser based on nonlinear amplifying loop mirror 
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光纤激光器 纳秒方波脉冲 非线性放大环镜 脉冲整形 140.3538 Lasers, pulsed 060.2320 Fiber optics amplifiers and oscillators 060.3510 Lasers, fiber 140.4050 Mode-locked lasers
Abstract
A nanosecond square pulse fiber laser based on the nonlinear amplifying loop mirror (NALM) is numerically analyzed by the nonlinear Schr¨odinger equation. The fiber cavity with a NALM has a tendency to provide pulse shaping effect with nonlinearity increasing in the NALM, and the nanosecond square pulse is generated by the pulse shaping effect. The numerical results show that the stable square pulse can be obtained when the parameters of the NALM are chosen appropriately. The generated square pulses have flat top and no internal structure.
Guoliang Chen, Chun Gu, Lixin Xu, Huan Zheng, Hai Ming. Simulation of nanosecond square pulse f iber laser based on nonlinear amplifying loop mirror[J]. Chinese Optics Letters, 2011, 9(9): 091405.
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