High-power broadband supercontinuum generation through a simple narrow-bandwidth FBGs-based fiber laser cavity  

作　　者：Song Zhang Man Jiang Can Li Rongtao Su Pu Zhou Zongfu Jiang 张嵩;姜曼;李灿;粟荣涛;周朴;姜宗福(College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,China

出　　处：《Chinese Optics Letters》2022年第1期85-88,共4页中国光学快报（英文版）

基　　金：supported by the National Natural Science Foundation of China (Nos. 62035015 and 62005316);the Innovative Research Groups of Hunan Province (No. 2019JJ10005)

摘　　要：The generation of supercontinuum(SC) often requires ultrashort pulsed lasers with high peak power and gain media with large nonlinear coefficients,such as a long piece of fiber or photonic crystal fiber.In this Letter,we propose and demonstrate that high-power SC can be generated through a simple narrow-bandwidth fiber Bragg gratings(FBGs)-based laser cavity without any modulation,based on the mechanism of intense nonlinear effects induced by the inherent self-pulsation generated inside the cavity.In the experiment,an ~80 W SC laser with the spectrum range from <600 nm to 1600 nm was achieved.To the best of our knowledge,this is the first report about SC generation through a simple fiber laser cavity.This work enriches the research content of SC and provides a cost-effective method for high-power SC lasers.

关 键 词：SUPERCONTINUUM fiber laser narrow-linewidth laser 

分 类 号：TN253[电子电信—物理电子学] TN248