Simple method for broadband amplification in a polarizing-maintained Yb fiber amplifier with a narrow bandpass filter

被引：3

作者：

Tsutsui, Shuta ^{[1
]}

Fujimoto, Yuki ^{[1
]}

Toda, Hiroyuki ^{[1
]}

Suzuki, Masayuki ^{[1
]}

机构：

[1] Doshisha Univ, Grad Sch Sci Engn, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 6100394, Japan

来源：

OPTICS LETTERS | 2022年 / 47卷 / 20期

基金：

日本学术振兴会;

关键词：

SELF-SIMILAR PROPAGATION; PARABOLIC PULSES; OPTIMIZATION; DISPERSION;

D O I：

10.1364/OL.473689

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have demonstrated a simple method for achieving broadband amplification and short-pulse generation in a polarizing maintained (PM) Yb fiber amplifier with the implementation of a narrow bandpass filter (NBF). By using an NBF with a spectral bandwidth of 3.3 nm at a wavelength of 1036 nm before the PM Yb amplifier, the spectral band-width was extended by self-phase modulation (SPM) in the PM YDF amplifier. The recompressed pulse duration of 125 fs obtained with the NBF was nearly three times shorter than that (350 fs) achieved without the NBF, and therefore the peak intensity of 0.35 MW with the NBF was over two times greater in comparison with that (0.16 MW) obtained without the NBF. We believe that this simple method is useful for developing an all-fiber laser system for high-power short pulse generation. (C) 2022 Optica Publishing Group

引用

页码：5417 / 5420

页数：4

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