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基于光子晶体光纤的布里渊光纤激光器
引用本文:池灏,章献民,沈林放.基于光子晶体光纤的布里渊光纤激光器[J].浙江大学学报(自然科学版 ),2006,40(12):2126-2129.
作者姓名:池灏  章献民  沈林放
作者单位:池灏,章献民,沈林放(浙江大学 信息与电子工程学系,浙江 杭州 310027)
基金项目:国家自然科学基金;浙江省自然科学基金
摘    要:为提高普通布里渊激光器的输出功率和激光效率,提出一种基于小纤芯光子晶体光纤(PCF)的环形腔布里渊光纤激光器.在环路中加入了掺铒光纤放大器和光滤波器,抵消了光纤环路的损耗,削减了掺铒光纤的受激辐射.实验结果表明,应用该激光器只需25 m的小纤芯PCF就可实现稳定的布里渊激光输出,并且输出激光的主要能量来源是环中的掺铒光纤放大器.与普通单模光纤相比,小纤芯PCF具有非线性效应强、布里渊增益大的特点,适合作为布里渊光纤激光器的增益介质.

关 键 词:光子晶体光纤  受激布里渊散射  布里渊光纤激光器  掺铒光纤激光器
文章编号:1008-973X(2006)12-2126-04
收稿时间:2005-07-29
修稿时间:2005年7月29日

Brillouin fiber laser based on photonic crystal fiber
CHI Hao,ZHANG Xian-min,SHEN Lin-fang.Brillouin fiber laser based on photonic crystal fiber[J].Journal of Zhejiang University(Engineering Science),2006,40(12):2126-2129.
Authors:CHI Hao  ZHANG Xian-min  SHEN Lin-fang
Affiliation:Department of Information and Electronic Engineering ,Zhejiang University, Hanghzou 310027,China
Abstract:To improve the output power and the laser efficiency compared with common fiber Brillouin lasers,a small core photonic crystal fiber(PCF) based ring-cavity Brillouin fiber laser was presented.An erbium-doped fiber amplifier and an optical filter were added to the fiber ring,fiber ring loss was compensated and the stimulated emission of the Erbium-doped fiber were suppressed respectively.Experimental results show that the stable Brillouin laser is achieved by the fiber laser using 25 m small core PCF,and that the erbium-doped fiber amplifier in the fiber ring is the major energy source of the output laser.Compared with common single mode fiber,the small core PCF has higher non-linear coefficient and larger Brillouin gain,and is suitable for the gain medium of Brillouin fiber laser.
Keywords:photonic crystal fiber  stimulated Brillouin scattering  Brillouin fiber laser  erbium doped fiber laser
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