Q-switched operation of a pulsed-laser-deposited Yb:Y2O3 waveguide using graphene as a saturable absorber

被引：24
|
作者：
Choudhary, Amol [1 ]
Dhingra, Shonali [2 ]
D'Urso, Brian [2 ]
Parsonage, Tina L. [1 ]
Sloyan, Katherine A. [1 ]
Eason, Robert W. [1 ]
Shepherd, David P. [1 ]
机构：
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[2] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA
来源：
OPTICS LETTERS | 2014年 / 39卷 / 15期
基金：
英国工程与自然科学研究理事会;
关键词：
EVANESCENT-FIELD INTERACTION; REPETITION RATE; MU-M; GHZ;
D O I：
10.1364/OL.39.004325
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The first, to the best of our knowledge, Q-switched operation of a pulsed-laser-deposited waveguide laser is presented. A clad Yb:Y2O3 waveguide was Q-switched using an output coupling mirror coated with a single layer of graphene deposited by atmospheric pressure chemical vapor deposition. During continuous-wave operation, a maximum power of 83 mW at a slope efficiency of 25% was obtained. During Q-switched operation, pulses as short as 98 ns were obtained at a repetition rate of 1.04 MHz and a central wavelength of 1030.8 nm. (C) 2014 Optical Society of America
引用
收藏
页码：4325 / 4328
页数：4
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