Mode-selective amplification in a large mode area Yb-doped fiber using a photonic lantern

被引：24

作者：

Wittek, S. ^{[1
]}

Ramirez, R. Bustos ^{[1
]}

Zacarias, J. Alvarado ^{[1
]}

Eznaveh, Z. Sanjabi ^{[1
]}

Bradford, J. ^{[1
]}

Galmiche, G. Lopez ^{[1
]}

Zhang, D. ^{[1
]}

Zhu, W. ^{[1
]}

Antonio-Lopez, J. ^{[1
]}

Shah, L. ^{[1
]}

Correa, R. Amezcua ^{[1
]}

机构：

[1] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA

来源：

OPTICS LETTERS | 2016年 / 41卷 / 10期

关键词：

AMPLIFIERS; MULTIMODE; INSTABILITIES; LASERS;

D O I：

10.1364/OL.41.002157

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate selective spatial mode amplification in a few mode, double-clad Yb-doped large mode area (LMA) fiber, utilizing an all-fiber photonic lantern. Amplification to multi-watt output power is achieved while preserving high spatial mode selectivity. We observe gain values of over 12 dB for all modes: LP01, LP11a, and LP11b, when amplified individually. Additionally, we investigate the simultaneous amplification of LP01 + LP11a and LP11a + LP11b, and the resultant mode competition. The proposed architecture allows for the reconfigurable excitation of spatial modes in the LMA fiber amplifiers, and represents a promising method that could enable dynamic spatial mode control in high power fiber lasers. (C) 2016 Optical Society of America

引用

页码：2157 / 2160

页数：4

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