Harmonically pump a femtosecond optical parametric oscillator to 1.13 GHz by a femtosecond 515 nm laser

被引：12

作者：

Song, Jiajun ^{[1
,2
]}

Meng, Xianghao ^{[1
,2
]}

Wang, Zhaohua ^{[1
]}

Wang, Xianzhi ^{[1
,2
]}

Tian, Wenlong ^{[4
]}

Zhu, Jiangfeng ^{[4
]}

Fang, Shaobo ^{[1
]}

Teng, Hao ^{[1
]}

Wei, Zhiyi ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Songshan Lake Mat Lab, Dongguan 523808, Peoples R China

[4] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2020年 / 18卷 / 03期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

GHz; femtosecond laser; optical parametric oscillator; tunable wavelength; HIGH-REPETITION-RATE; HIGH-POWER; PULSES; GENERATION; WAVELENGTH; AMPLIFIER; COMPACT; LEVEL;

D O I：

10.3788/COL202018.033201

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a harmonically pumped femtosecond optical parametric oscillator (OPO) laser using a frequency-doubled mode-locked Yb:KGW laser at a repetition rate of 75.5 MHz as the pump laser. Based on a bismuth borate nonlinear crystal, repetition rates up to 1.13 GHz are realized, which is 15 times that of the pump laser. The signal wavelength is tunable from 700 nm to 887 nm. The maximum power of the signal is 207 mW at the central wavelength of 750 nm and the shortest pulse duration is 117 fs at 780 nm. The beam quality (M-2 factor) in the horizontal and vertical directions of the output beam are 1.077 and 1.141, respectively.

引用

页数：5

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