Generation of sub-100 fs pulses from mode-locked Nd,Y:SrF2 laser with enhancing SPM

被引：27
|
作者：
Zhu, Jiangfeng [1 ]
Wei, Long [1 ]
Tian, Wenlong [1 ]
Liu, Jiaxing [2 ]
Wang, Zhaohua [2 ]
Su, Liangbi [3 ]
Xu, Jun [4 ]
Wei, Zhiyi [2 ]
机构：
[1] Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Peoples R China
[2] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai Inst Ceram, Shanghai 201800, Peoples R China
[4] Tongji Univ, Sch Phys Sci & Engn, Inst Adv Study, Shanghai 200092, Peoples R China
来源：
LASER PHYSICS LETTERS | 2016年 / 13卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Nd; Y:SrF2; crystal; femtosecond mode-locking; self-phase modulation; SRF2; FEMTOSECOND; CRYSTALS; ND3+;
D O I：
10.1088/1612-2011/13/5/055804
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A mode-locked laser using Nd,Y:SrF2 crystal as the gain medium is presented in this letter. By special design of the cavity for enhancing the self-phase modulation effect, femtosecond mode-locking with 97 fs pulse duration and 13.2 nm spectral width centered at 1061 nm is obtained at a repetition rate of 96 MHz. The average output power is 102 mW under 925 mW pump power, corresponding to the optical-to-optical efficiency of 11%. To the best of our knowledge, these are the first sub-100 fs pulses generated from a mode-locked Nd doped crystal laser.
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页数：4
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