Stabilization of passive harmonic mode locking in a fiber ring laser

被引:33
作者
Gumenyuk, R., V [1 ,2 ]
Korobko, D. A. [1 ]
Zolotovskii, I. O. [1 ]
机构
[1] Ulyanovsk State Univ, 42 Leo Tolstoy St, Ulyanovsk 432017, Russia
[2] Tampere Univ Technol, Lab Photon, Tampere, Finland
基金
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词
DEPLETION; JITTER;
D O I
10.1364/OL.45.000184
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We propose the model of a harmonically mode-locked soliton fiber ring laser based on the nonlinear polarization rotation taking into account the gain depletion and recovery effects. It is shown that a specific timing jitter could arise in such lasers, since the pulses in the cavity are not strongly identical. To suppress the jitter and stabilize the harmonic mode-locking operation, a method using a small frequency shift followed by the laser radiation filtering is described. The performed numerical simulation shows that the proposed method is able to provide extremely stable harmonic mode locking in a soliton fiber ring laser. (C) 2019 Optical Society of America
引用
收藏
页码:184 / 187
页数:4
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