Low-repetition-rate, high pulse energy all-polarization-maintaining Er-doped fiber laser mode-locked with a nonlinear amplifying loop mirror

被引：5

作者：

Sun, Ji ^{[1
]}

Zhou, Yue ^{[1
]}

Ge, Zhaoyang ^{[1
]}

Yin, Jie ^{[2
]}

Yin, Feifei ^{[1
]}

Dai, Jian ^{[1
]}

Zhang, Tian ^{[1
]}

Xu, Kun ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Beijing Inst Satellite Informat Engn, State Key Lab Space Ground Integrated Informat Te, Beijing, Peoples R China

来源：

LASER PHYSICS LETTERS | 2019年 / 16卷 / 04期

关键词：

mode-locked fiber lasers; optical fiber lasers; polarization maintaining fibers; optical pulse generation; GENERATION; EVOLUTION; COMB; NJ;

D O I：

10.1088/1612-202X/ab0c8e

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a low repetition rate mode-locked Er-doped fiber laser using an all-polarization-maintaining (PM) nonlinear amplifying loop mirror. Stable single pulse generation had a pulse energy of 4 nJ and a repetition rate as low as 1.96 MHz. A section of standard single mode PM fiber was used to compress the output pulses from 2.5 ps down to 660 fs, being nearly transform-limited. The robust mode-locking design and all-PM cavity make this fiber laser stable and compact. The output average power fluctuation is within 0.17% over 10 h. Therefore, this source is ideally suitable for high pulse energy applications, such as micro-machining and nonlinear microscopy through further amplification.

引用

页数：5

共 32 条

[1] 120 fs, 4.2 nJ pulses from an all-normal-dispersion, polarization-maintaining, fiber laser [J].