High-power femtosecond vortices generated from a Kerr-lens mode-locked solid-state Hermite-Gaussian oscillator

被引：8

作者：

Peng, Zijun ^{[1
,2
]}

Wang, Qing ^{[3
]}

Chen, Hongshan ^{[1
,2
]}

Liu, Hongyu ^{[1
,2
]}

Liu, Xin ^{[1
,2
]}

Yan, Lison ^{[1
,2
]}

Zhang, Jinwei ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China

[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China

[3] Beijing Inst Technol, Sch Opt & Photon, Beijing 100081, Peoples R China

来源：

OPTICS LETTERS | 2023年 / 48卷 / 10期

关键词：

ORBITAL ANGULAR-MOMENTUM; LASER; LOCKING;

D O I：

10.1364/OL.492186

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the generation of high-order transverse modes from a Kerr-lens mode-locked femtosecond laser. Two dif-ferent orders of Hermite-Gaussian modes were realized by non-collinear pumping, which were converted into the corresponding Laguerre-Gaussian vortex modes using a cylindrical lens mode converter. The mode-locked vortex beams, with an average power of 1.4 W and 0.8 W, con-tained pulses as short as 126 fs and 170 fs at the first and second Hermite-Gaussian mode orders, respectively. This work demonstrates the possibility of developing Kerr-lens mode-locked bulk lasers with various pure high-order modes and paves the way for generating ultrashort vortex beams. (c) 2023 Optica Publishing Group

引用

页码：2708 / 2711

页数：4

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