Power scaling of ultrafast laser inscribed waveguide lasers in chromium and iron doped zinc selenide

被引：15
|
作者：
McDaniel, Sean A. [1 ,3 ]
Lancaster, Adam [2 ]
Evans, Jonathan W. [3 ]
Kar, Ajoy K. [2 ]
Cook, Gary [3 ]
机构：
[1] Leidos Inc, 3745 Pentagon Blvd, Beavercreek, OH 45431 USA
[2] Heriot Watt Univ, Inst Photon & Quantum Sci, Edinburgh EH14 4AS, Midlothian, Scotland
[3] Air Force Res Lab, Wright Patterson AFB, OH 45433 USA
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
FE-ZNSE;
D O I：
10.1364/OE.24.003502
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report demonstration of Watt level waveguide lasers fabricated using Ultrafast Laser Inscription (ULI). The waveguides were fabricated in bulk chromium and iron doped zinc selenide crystals with a chirped pulse Yb fiber laser. The depressed cladding structure in Fe:ZnSe produced output powers of 1 W with a threshold of 50 mW and a slope efficiency of 58%, while a similar structure produced 5.1 W of output in Cr:ZnSe with a laser threshold of 350 mW and a slope efficiency of 41%. These results represent the current state-of-the-art for ULI waveguides in zinc based chalcogenides. (C) 2016 Optical Society of America
引用
收藏
页码：3502 / 3512
页数：11
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