High-Power Single-Frequency Thulium-Doped Fiber DBR Laser at 1943 nm

被引：75

作者：

Zhang, Z. ^{[1
]}

Boyland, A. J. ^{[1
]}

Sahu, J. K. ^{[1
]}

Clarkson, W. A. ^{[1
]}

Ibsen, M. ^{[1
]}

机构：

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

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2011年 / 23卷 / 07期

关键词：

Distributed Bragg reflector (DBR) lasers; fiber lasers; infrared lasers; single-frequency lasers;

D O I：

10.1109/LPT.2011.2106491

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 report on a high-power single-frequency mode-hop-free fiber distributed Bragg reflector (DBR) laser fabricated from Tm-doped photosensitive alumino-silicate fiber and in-band pumped by an Er/Yb fiber laser at 1565 nm. The fiber DBR laser yielded up to 580 mW of single-frequency single-ended output at 1943 nm for similar to 5 W of absorbed pump power. Further scaling of the DBR laser output power was achieved with the aid of a simple Tm-doped fiber amplifier stage spliced directly to the DBR fiber without the need of an optical isolator. The maximum output power from the DBR laser and fiber amplifier was 2.9 W for a combined absorbed pump power of 9 W. The merits of this DBR laser architecture compared to conventional DBR and distributed-feedback laser configurations are discussed.

引用

页码：417 / 419

页数：3

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