Single-frequency erbium-doped fibre laser with random distributed feedback based on disordered structures produced by femtosecond laser radiation

被引：5

作者：

Skvortsov, M., I ^{[1
]}

Abdullina, S. R. ^{[1
]}

Wolf, A. A. ^{[1
]}

Dostovalov, A., V ^{[1
]}

Churin, A. E. ^{[1
]}

Egorova, O. N. ^{[2
]}

Semjonov, S. L. ^{[3
]}

Proskurina, K., V ^{[1
]}

Babin, S. A. ^{[1
,3
]}

机构：

[1] Russian Acad Sci, Inst Automat & Electrometry, Siberian Branch, Prosp Akad Koptyuga 1, Novosibirsk 630090, Russia

[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Ul Vavilova 38, Moscow 119333, Russia

[3] Russian Acad Sci, Prokhorov Gen Phys Inst, Dianov Fiber Opt Res Ctr, Ul Vavilova 38, Moscow 119333, Russia

来源：

QUANTUM ELECTRONICS | 2021年 / 51卷 / 12期

基金：

俄罗斯科学基金会;

关键词：

single-frequency fibre laser; random distributed feed-back; femtosecond laser modification of the refractive index; PHOSPHATE-CORE; GLASS;

D O I：

10.1070/QEL17650

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：

Inscription of structures by a femtosecond laser beam allows one to produce disordered structures capable of increasing the Rayleigh backscatter intensity in the fibre at relatively low induced losses, which makes them potential candidates for use as reflectors in fibre lasers. Here we report a narrow-band erbium fibre laser with random distributed feedback produced by femtosecond laser writing in half-open cavity and ring cavity configurations. In the half-open cavity configuration, single-frequency lasing is observed at output powers up to 2.8 W, with a linewidth near 10 kHz. In the ring cavity configuration, single-frequency operation is observed over the entire range of output powers studied. At the highest output power, 7 mW, the linewidth does not exceed 0.7 kHz.

引用

页码：1051 / 1055

页数：6

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