高非线性石英基光子晶体光纤产生宽带可调中红外孤子的实验研究
投稿时间:2016-12-14  修订日期:2017-04-27  点此下载全文
引用本文:杨建菊,韩颖,屈玉玮,牛静霞,左玉婷,王伟,周桂耀,赵兴涛,侯蓝田.高非线性石英基光子晶体光纤产生宽带可调中红外孤子的实验研究[J].红外与毫米波学报,2017,36(5):636~640].YANG Jian-Ju,HAN Yin,QU Yu-Wei,NIU Jing-Xia,ZUO Yu-Ting,WANG Wei,ZHOU Gui-Yao,ZHAO Xin-Tao,HOU Lan-Tian.Broadband tunable mid-infrared soliton generation in a highly nonlinear silica based photonic crystal fiber[J].J.Infrared Millim.Waves,2017,36(5):636~640.]
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作者单位E-mail
杨建菊 燕山大学 信息科学与工程学院 yangjianju521@163.com 
韩颖   
屈玉玮   
牛静霞   
左玉婷   
王伟   
周桂耀   
赵兴涛   
侯蓝田   
基金项目:国家自然科学基金项目(61405173,61405172,61307110)
中文摘要:通过研究发现双包层结构能降低石英基光子晶体光纤损耗, 并制备一种高非线性双包层结构石英基光子晶体光纤来进行实验研究.使用钛宝石飞秒激光器将实验室自制的石英基光子晶体光纤在反常色散区泵浦, 研究不同的泵浦功率和泵浦波长对中红外超短脉冲孤子的影响, 并分析了石英基高非线性光子晶体光纤中红外超短脉冲孤子产生的物理机理.结合实验发现在泵浦功率为827 nm, 功率从0.1 W增加到0.42 W时, 中红外第一个孤子随功率增加从1933 nm移动到2403 nm, 可调范围达到470 nm, 为石英基光子晶体光纤产生宽带可调超短脉冲源创造了很好的条件.
中文关键词:中红外  石英基光子晶体光纤  反常色散区  孤子
 
Broadband tunable mid-infrared soliton generation in a highly nonlinear silica based photonic crystal fiber
Abstract:The double cladding structure can reduce the loss of photonic crystal fiber. A highly nonlinear silica based photonic crystal fiber with double cladding was prepared. Silica based photonic crystal fiber made in our lab was pumped by the femtosecond Ti: sapphire laser in the abnormal region. The effects of the different pump powers and pump wavelengths on mid-infrared ultra short pulse soliton were investigated. Physical mechanisms of the generation of ultra short infrared ultrashort pulses solitons in highly nonlinear silica based photonic crystal fibers were also analysed. In this paper, the first mid-infrared soliton moves from 1933 nm to 2403 nm and the adjustable range lasts for up to 470 nm when the pump wavelength works at 827 nm with the pump power increasing from 0.1 W to 0.42 W. This provides a good condition for the broadband tunable ultrashort pulse source in the silica based photonic crystal fiber.
keywords:Mid-infrared  Silica based photonic crystal fiber  Anomalous dispersion region  Soliton
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