Quantum-dot saturable absorber and Kerr-lens mode-locked Yb:KGW laser with >450 kW of peak power

被引：66
作者：
Akbari, R. [1 ]
Zhao, H. [1 ]
Fedorova, K. A. [2 ]
Rafailov, E. U. [2 ,3 ]
Major, A. [1 ]
机构：
[1] Univ Manitoba, Dept Elect & Comp Engn, Winnipeg, MB R3T 5V6, Canada
[2] Aston Univ, Sch Engn & Appl Sci, Optoelect & Biomed Photon Grp, Birmingham B4 7ET, W Midlands, England
[3] ITMO Univ, 49 Kronverksky Pr, St Petersburg 197101, Russia
来源：
OPTICS LETTERS | 2016年 / 41卷 / 16期
基金：
加拿大自然科学与工程研究理事会;
关键词：
SOLID-STATE LASERS; YB-KGD(WO4)(2) LASER; FEMTOSECOND; OSCILLATOR; GENERATION; LOCKING;
D O I：
10.1364/OL.41.003771
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The hybrid action of quantum-dot saturable absorber and Kerr-lens mode locking in a diode-pumped Yb:KGW laser was demonstrated. Using a quantum-dot saturable absorber with a 0.7% (0.5%) modulation depth, the mode-locked laser delivered 90 fs (93 fs) pulses with 3.2 W (2.9 W) of average power at the repetition rate of 77 MHz, corresponding to 462 kW (406 kW) of peak power and 41 nJ (38 nJ) of pulse energy. To the best of our knowledge, this represents the highest average and peak powers generated to date from quantum-dot saturable absorber-based mode-locked lasers. (C) 2016 Optical Society of America
引用
收藏
页码：3771 / 3774
页数：4
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