Scaling the mode instability threshold with multicore fibers

被引：62

作者：

Otto, Hans-Juergen ^{[1
]}

Klenke, Arno ^{[1
,2
]}

Jauregui, Cesar ^{[1
]}

Stutzki, Fabian ^{[1
]}

Limpert, Jens ^{[1
,2
]}

Tuennermann, Andreas ^{[1
,2
,3
]}

机构：

[1] Univ Jena, Inst Appl Phys, Abbe Ctr Photon, D-07745 Jena, Germany

[2] Helmholtz Inst Jena, D-07743 Jena, Germany

[3] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany

来源：

OPTICS LETTERS | 2014年 / 39卷 / 09期

基金：

欧洲研究理事会;

关键词：

POWER; AMPLIFIERS; LASERS; SYSTEM;

D O I：

10.1364/OL.39.002680

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Mode instabilities (MIs) have quickly become the most limiting effect for the average power scaling of nearly diffraction-limited beams from state-of-the-art fiber laser systems. In this work it is shown that, by using an advanced multicore photonic crystal fiber design, the threshold power of MIs can be increased linearly with the number of cores. An average output power of 536 W, corresponding to 4 times the threshold power of a single core, is demonstrated. (C) 2014 Optical Society of America

引用

页码：2680 / 2683

页数：4

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