文献类型：期刊文献

英文题名：Tunable and switchable multi-wavelength pulsed fiber laser based on a nonlinear optical loop mirror and an improved Sagnac filter

作者：Pan, Honggang Peng, Yaomei Shi, Yanmei Peng, Jianxin Liu, Zhanzhi Cao, Chuanbo Chen, Zhipan Zhang, Bo Liu, Xueting Du, Pu

第一作者：Pan, Honggang

通信作者：Shi, YM[1]

机构：[1]Tianjin Univ Technol, Sch Integrated Circuit Sci & Engn, Tianjin Key Lab Film Elect & Commun Devices, Engn Res Ctr Optoelect Devices & Commun Technol,M, Tianjin 300384, Peoples R China;[2]Guizhou Inst Technol, Rd Bridge & River Crossing Engn, Sch Civil Engn, Guiyang, Peoples R China

第一机构：Tianjin Univ Technol, Sch Integrated Circuit Sci & Engn, Tianjin Key Lab Film Elect & Commun Devices, Engn Res Ctr Optoelect Devices & Commun Technol,M, Tianjin 300384, Peoples R China

通信机构：corresponding author), Tianjin Univ Technol, Sch Integrated Circuit Sci & Engn, Tianjin Key Lab Film Elect & Commun Devices, Engn Res Ctr Optoelect Devices & Commun Technol,M, Tianjin 300384, Peoples R China.

年份：2023

卷号：62

期号：26

起止页码：7036-7043

外文期刊名：APPLIED OPTICS

收录：;EI(收录号：20233914805773);Scopus(收录号：2-s2.0-85171235310);WOS:【SCI-EXPANDED(收录号:WOS:001078050900003)】；

基金：Natural Science Foundation of Tianjin City (17JCYBJC16600).

语种：英文

外文关键词：Fiber lasers - Laser mirrors - Nonlinear optics - Optical switches - Saturable absorbers

摘要：We propose and experimentally demonstrate a tunable and switchable multi-wavelength erbium-doped fiber ring pulsed laser based on a nonlinear optical loop mirror (NOLM) and an improved Sagnac filter. To achieve multi-wavelength pulsed laser output, we adopt a NOLM as a quasi-saturable absorber and an improved Sagnac loop as a wavelength selected filter. The constructed laser has a maximum output wavelength number of five with a pulse repetition frequency of 40.45 kHz and pulse duration of 108 ns. The laser can output single-wavelength and dual-wavelength pulsed lasers within a certain wavelength tuning range and a five-wavelength pulsed laser with a constant wavelength interval of 3 nm by adjusting the polarization controller. Dual-wavelength, three-wavelength, and four-wavelength pulsed lasers with various wavelength intervals are also obtained. The output performance of the constructed laser is tested with a maximum average output power of 127.45 mu W and minimum pulse duration of 52 ns, and the stability of the laser output is also tested with a maximum power fluctuation of 0.62 dB and minimum wavelength drift of 0.51 nm with pump power of 350 mW. (c) 2023 Optica Publishing Group