Erbium:Ytterbium codoped large-core fiber laser with 297-W continuous-wave output power

被引：174

作者：

Jeong, Yoonchan ^{[1
]}

Yoo, Seongwoo

Codemard, Christophe A.

Nilsson, Johan

Sahu, Jayanta K.

Payne, David N.

Horley, R.

Turner, P. W.

Hickey, Louise

Harker, Andrew

Lovelady, Mike

Piper, Andy

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

[2] SPI Lasers, Southampton SO30 2QU, Hants, England

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2007年 / 13卷 / 03期

关键词：

erbium; lasers; optical fiber amplifiers; optical fiber lasers; ytterbium;

D O I：

10.1109/JSTQE.2007.897178

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have demonstrated a high-power and high-efficiency erbium:ytterbium (Er:Yb) codoped fiber laser that produces 297 W of continuous-wave output at 1567 mn. The slope efficiency with respect to the launched pump power changed from 40 % to 19 % at higher output power due to the onset of Yb colasing at 1067 mn. However, the Yb colasing was essential for the suppression of catastrophic pulsation at high pump powers that otherwise results if the Yb-band gain is allowed to build up. Spectroscopic characteristics of the fiber and the impact of the Yb colasing on the 1567-nm slope efficiency are also discussed.

引用

页码：573 / 579

页数：7

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