Wavelength switchable mode-locked fiber laser with a few-mode fiber filter

doi:10.1088/1674-1056/ac744f

中国物理B ›› 2023, Vol. 32 ›› Issue (2): 24209-024209.doi: 10.1088/1674-1056/ac744f

Wavelength switchable mode-locked fiber laser with a few-mode fiber filter

Shaokang Bai(白少康), Yujin Xiang(向昱锦), and Zuxing Zhang(张祖兴)^†

Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

收稿日期:2022-03-16 修回日期:2022-05-18 接受日期:2022-05-29 出版日期:2023-01-10 发布日期:2023-01-18
通讯作者: Zuxing Zhang E-mail:zxzhang@njupt.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 91950105 and 62175116) and the 1311 talent plan of Nanjing University of Posts and Telecommunications.

Wavelength switchable mode-locked fiber laser with a few-mode fiber filter

Shaokang Bai(白少康), Yujin Xiang(向昱锦), and Zuxing Zhang(张祖兴)^†

Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

Received:2022-03-16 Revised:2022-05-18 Accepted:2022-05-29 Online:2023-01-10 Published:2023-01-18
Contact: Zuxing Zhang E-mail:zxzhang@njupt.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 91950105 and 62175116) and the 1311 talent plan of Nanjing University of Posts and Telecommunications.

摘要/Abstract

摘要： We have proposed and constructed a few-mode fiber (FMF)-based comb filter realized by dislocation splicing a few-mode long-period fiber grating (FM-LPFG) with a single-mode fiber (SMF). From an all-fiber laser with a FMF-based comb filter, the generation of switchable single-, dual-, triple-, and quadruple-wavelength continuous light has been achieved. Moreover, wavelength switchable mode-locked pulses have been obtained with the increased pump power. In the experiment, the output wavelength of the mode-locked fiber laser was changed from 1567.72 nm to 1571.04 nm, while the signal-to-noise (SNR) ratio was maintained above 61 dB. The switchable multiwavelength continuous wave (CW) and mode-locked all-fiber lasers have potentially important applications for fiber sensing, wavelength-division multiplexing (WDM) and signal processing.

关键词: few-mode fiber, mode-locked pulses, few-mode long-period fiber, comb filter

Abstract: We have proposed and constructed a few-mode fiber (FMF)-based comb filter realized by dislocation splicing a few-mode long-period fiber grating (FM-LPFG) with a single-mode fiber (SMF). From an all-fiber laser with a FMF-based comb filter, the generation of switchable single-, dual-, triple-, and quadruple-wavelength continuous light has been achieved. Moreover, wavelength switchable mode-locked pulses have been obtained with the increased pump power. In the experiment, the output wavelength of the mode-locked fiber laser was changed from 1567.72 nm to 1571.04 nm, while the signal-to-noise (SNR) ratio was maintained above 61 dB. The switchable multiwavelength continuous wave (CW) and mode-locked all-fiber lasers have potentially important applications for fiber sensing, wavelength-division multiplexing (WDM) and signal processing.

Key words: few-mode fiber, mode-locked pulses, few-mode long-period fiber, comb filter

中图分类号: (Fiber lasers)

42.55.Wd

42.65.Re (Ultrafast processes; optical pulse generation and pulse compression) 42.81.Dp (Propagation, scattering, and losses; solitons) 42.81.-i (Fiber optics)

Shaokang Bai(白少康), Yujin Xiang(向昱锦), and Zuxing Zhang(张祖兴). Wavelength switchable mode-locked fiber laser with a few-mode fiber filter[J]. 中国物理B, 2023, 32(2): 24209-024209.

Shaokang Bai(白少康), Yujin Xiang(向昱锦), and Zuxing Zhang(张祖兴). Wavelength switchable mode-locked fiber laser with a few-mode fiber filter[J]. Chin. Phys. B, 2023, 32(2): 24209-024209.

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Wavelength switchable mode-locked fiber laser with a few-mode fiber filter

Wavelength switchable mode-locked fiber laser with a few-mode fiber filter

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