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

页码：3502 / 3512

页数：11

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