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Multimode oscillation Q-switched erbium-doped fiber laser with a few-mode fiber cavity

Multimode oscillation Q-switched erbium-doped fiber laser with a few-mode fiber cavity

作     者:HAN Si-meng YANG Kang WANG Zhen-hong LIU Yan-ge WANG Zhi 韩思濛;杨康;王振洪;刘艳格;王志

作者机构:Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology Institute of Modern Optics Nankai University 

出 版 物:《Optoelectronics Letters》 (光电子快报(英文版))

年 卷 期:2018年第14卷第6期

页      面:417-420页

核心收录:

学科分类:0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 

基  金:supported by the National Natural Science Foundation of China(Nos.61322510,61640408 and 61775107) the Tianjin Natural Science Foundation(No.16JCZDJC31000) 

主  题:Multimode oscillation Q-switched few-mode fibercavity 

摘      要:We propose and demonstrate experimentally a multimode oscillation Q-switched erbium-doped fiber laser with a few-mode fiber cavity. The different coupling processes of reflection peaks of fiber Bragg gratings(FBGs) which act as cavity mirrors allow the different oscillating states. We obtain microsecond light pulse output states whose oscillation and output beams have different mode compositions, including high order mode. Such a structure enables the high order mode oscillation in the whole cavity with an all-fiber structure, which has potential applications in mode-division multiplexed systems and research of multimode nonlinear effect.

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