Low-repetition-rate, all-polarization-maintaining Yb-doped fiber laser mode-locked by a semiconductor saturable absorber

被引：7
|
作者：
Xiao, Xiao-Sheng [1 ]
机构：
[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China
来源：
CHINESE PHYSICS B | 2017年 / 26卷 / 11期
基金：
中国国家自然科学基金;
关键词：
mode-locked fiber laser; polarization maintaining; master oscillator power amplifier; NORMAL-DISPERSION; PULSE; GENERATION; OSCILLATOR;
D O I：
10.1088/1674-1056/26/11/114204
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A low-repetition-rate, all-polarization-maintaining (PM)-fiber sub-nanosecond oscillator is presented, which is simple and low-cost, composed of standard components. The ring cavity is elongated by 114-m-long standard PM fiber, and passively mode-locked by a fiber pigtailed semiconductor saturable absorber. Linearly polarized pulses with 1.66 MHz repetition rate and 22 dB polarization extinction ratio are generated at a wavelength of 1030 nm, which is determined by an intracavity filter. In addition, to demonstrate that the oscillator is a good seed for high energy pulse generation, an all-fiber master oscillator power amplifier is built and amplified pulses with energy about 2 mu J are obtained.
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页数：5
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