Dark rectangular noise-like pulses in a figure-nine fiber laser based on a nonlinear amplifying loop mirror
Authors:
- Renlai ZhouRZRenlai Zhou
- Dan YuDYDan Yu
- Xuanyi LiuXLXuanyi Liu
- Qian LiQLQian Li
- H. Y. FuHFH. Y. Fu
- 23 July 2019
- journal article
- research article
- Published by Optica Publishing Group in Optics Letters
- Vol. 44 (15) , 3717-3720
Abstract
We report the experimental observation of dark rectangular noise-like pulses (NLPs) in a novel figure-nine fiber laser based on a nonlinear amplifying loop mirror for the first time, to the best of our knowledge. By strengthening the nonlinear and birefringent effects in the cavity, the fundamental and high-order harmonics of dark rectangular NLPs are achieved with net anomalous dispersion. The dynamics of dark rectangular NLP formation and the spectral evolution with pump power are experimentally investigated. The results demonstrated an interesting operation regime of the fiber laser, which will contribute to enrich the dynamics of mode-locked pulses.Keywords
Funding Information
- National Natural Science Foundation of China (NSFC) (61675008, 61805281)
- Shenzhen Science and Technology Innovation Commission (GJHZ 20180411185015272, KQJSCX20170727163424873)
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