A 515-nm laser-pumped idler-resonant femtosecond BiB3O6 optical parametric oscillator. (January 2022)

• Record Type: Journal Article
• Authors: Yang 杨, Jinfang 金芳; Wang 王, Zhaohua 兆华; Song 宋, Jiajun 贾俊; Lv 吕, Renchong 仁冲; Wang 王, Xianzhi 羡之; Zhu 朱, Jiangfeng 江峰; Wei 魏, Zhiyi 志义
• Is Part Of: Chinese physics B. Volume 31:Number 1(2022)
• Publication Date: 2022-01
• Subjects: nonlinear frequency conversion -- 515-nm laser pumped femtosecond optical parametric oscillator -- BiB3O6 nonlinear crystal; 42.65.Yj -- 42.65.-k; Physics -- Periodicals; Physics; Periodicals; 530.05
• DOI: 10.1088/1674-1056/ac3813
• Languages: English
• ISSNs: 1674-1056

Abstract

Abstract : We report on an idler-resonant femtosecond optical parametrical oscillator (OPO) based on BiB3 O6 (BiBO) crystal, synchronously pumped by a frequency-doubled, mode-locked Yb:KGW laser at 515 nm. The idler wavelengths of OPO can be tuned from 1100 nm to 1540 nm. At a repetition rate of 75.5 MHz, the OPO generates as much as 400 mW of idler power with 3.1 W of pump power, the corresponding pulse duration is 80 fs, which is 1.04 times of Fourier transform-limited (FTL) pulse duration at 1305 nm. In addition, the OPO exhibits excellent beam quality with M 2 < 1.8 at 1150 nm. To the best of our knowledge, this is the first idler-resonant femtosecond OPO pumped by 515 nm.