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基于碲化铋纳米片的全光可控调Q光纤激光器

All-Optical Tunable Q-Switched Fiber Laser Based on Bismuth Telluride Nanosheets

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摘要

通过光学自组装方法制备了碲化铋可饱和吸收器件, 并获得了该器件的非线性光学响应特性。将可饱和吸收体引入掺铒光纤激光器中, 在抽运功率为170 mW时, 获得中心波长为1564.94 nm, 脉冲宽度为2.91 μs的激光输出。通过外加连续光对非线性吸收器件进行调制, 实现了脉冲持续时间和重复频率可调控的调Q光纤激光输出。

Abstract

The saturable absorber Bismuth Telluride nanosheets are synthesized via optical self-assembly method, and the nonlinear optical response characteristics are obtained. By introducing the saturable absorber into the Er-doped fiber laser, the Q-switched fiber laser can deliver the pulse laser with pulse duration of 2.91 μs , wavelength of 1564.94 nm with the pump power of 170 mW. With the modulation of continuous wave laser on nonlinear absorption devices, the pulse duration and repetition frequency tunable Q-switched fiber laser is realized.

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中图分类号:TN248.1

DOI:10.3788/cjl201744.0703014

所属栏目:“二维光电材料与器件”专题

基金项目:国家自然科学基金(61475102)

收稿日期:2017-01-30

修改稿日期:2017-03-07

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作者单位    点击查看

金雨:湖南大学物理与微电子科学学院, 湖南 长沙 410082
杜林:湖南大学物理与微电子科学学院, 湖南 长沙 410082
蒋国保:湖南大学物理与微电子科学学院, 湖南 长沙 410082
赵楚军:湖南大学物理与微电子科学学院, 湖南 长沙 410082

联系人作者:金雨(jinyu005521@163.com)

备注:金雨(1988-), 男, 硕士研究生, 主要从事光纤激光器件方面的研究。

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引用该论文

Jin Yu,Du Lin,Jiang Guobao,Zhao Chujun. All-Optical Tunable Q-Switched Fiber Laser Based on Bismuth Telluride Nanosheets[J]. Chinese Journal of Lasers, 2017, 44(7): 0703014

金雨,杜林,蒋国保,赵楚军. 基于碲化铋纳米片的全光可控调Q光纤激光器[J]. 中国激光, 2017, 44(7): 0703014

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