Dual-wavelength, cascaded cavities bismuth-doped fiber laser in 1.7μm wavelength range

被引：1

作者：

Nemova, Galina ^{[1
]}

Qiao, Jinghao ^{[1
]}

Chen, Lawrence R. ^{[1
]}

Firstov, Sergei, V ^{[2
]}

Dianov, Evgeny M. ^{[2
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, McConnell Engn Bldg,3480 Univ St, Montreal, PQ H3A 0E9, Canada

[2] Russian Acad Sci, Fiber Opt Res Ctr, 38 Vavilov Str, Moscow 119333, Russia

来源：

FIBER LASERS XVI: TECHNOLOGY AND SYSTEMS | 2019年 / 10897卷

基金：

俄罗斯基础研究基金会; 加拿大自然科学与工程研究理事会;

关键词：

Solid state lasers; cascade cavity lasers; dual wavelength lasers; bismuth-doped fibers;

D O I：

10.1117/12.2509945

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A comprehensive theoretical investigation of a dual wavelength, cascade cavity bismuth-doped fiber (BDF) laser operating in the wavelength range of 1.7 mu m is presented. The fiber laser model is based on parameters extracted from experimental characterization of the BDF. The BDF serves as an active medium with optical gain in the wavelength region from 1.65 mu m to 1.8 mu m. The laser cavity is defined by a 90% mirror on one end of the BDF and two fiber Bragg gratings (FBG1 and FBG2) separated with the BDF on the other end of the laser cavity. One of the gratings FBG1 with the peak reflectivity 95% is centered at 1.725 mu m. The second one FBG2 with peak reflectivity of 90% is centered at 1.729 mu m. Both FBGs have a 3-dB bandwidth of similar to 0.5nm. It is shown that the cascade laser can operate at two 1.725 mu m and 1.729 mu m wavelengths with different powers depending on the parameters of the structure.

引用

页数：6

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