Investigation on the spectrum smoothing effect in an ultrafast Tm-doped fiber chirped pulse amplifier

被引：1

作者：

Shang, Jingcheng ^{[1
,2
,3
]}

Zhao, Shengzhi ^{[1
,2
,3
]}

Liu, Yizhou ^{[1
,2
]}

Yang, Kejian ^{[4
]}

Wang, Chun ^{[1
,2
]}

Li, Tao ^{[1
,2
,3
]}

Feng, Tianli ^{[1
,2
,3
]}

机构：

[1] Sch Informat Sci & Engn, Shandong Prov Key Lab Laser Technol & Applicat, Qingdao 266237, Peoples R China

[2] Shandong Univ, Qingdao 266237, Peoples R China

[3] Shandong Univ, Minist Educ, China Key Lab Laser & Infrared Syst, Qingdao 266237, Peoples R China

[4] Shandong Univ, State Key Lab Crystal Mat, Inst Novel Semicond, Jinan 250100, Peoples R China

来源：

APPLIED PHYSICS EXPRESS | 2022年 / 15卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Tm-doped fiber chirped pulse amplifier; spectrum smoothing effect; polarization filtering effect; pulse contrast ratio; LASER SYSTEM; AMPLIFICATION; COMPRESSION; GENERATION; NJ;

D O I：

10.35848/1882-0786/ac7fdb

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate the spectrum smoothing effect of the amplified soliton pulse in an ultrafast Tm-doped fiber chirped pulse amplifier, in which the soliton pulse is amplified to 7.3 W with a pulse duration of similar to 350 fs. The experimental investigation reveals that the spectrum smoothing effect arises from the polarization filtering effect of the grating-based pulse compressor, which is further confirmed by a theoretical simulation. This effect not only smooths the amplified laser spectrum, but also improves the pulse contrast ratio.

引用

页数：5

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