All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode

Junsen Yang; Zhengkang Wang; Jianming Shang; Bin Luo; Tianwei Jiang; Song Yu

doi:10.1117/12.3022039

25 January 2024 All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode

Junsen Yang, Zhengkang Wang, Jianming Shang, Bin Luo, Tianwei Jiang, Song Yu

Author Affiliations +

Proceedings Volume 12972, International Academic Conference on Optics and Photonics (IACOP 2023); 129720I (2024) https://doi.org/10.1117/12.3022039
Event: International Academic Conference on Optics and Photonics (IACOP 2023), 2023, ONLINE, China

Abstract

A single-longitudinal-mode (SLM) narrow-linewidth Brillouin erbium-doped fiber laser (BEFL) is proposed and demonstrated experimentally. The erbium-doped fiber (EDF) is employed to act as both the linear gain and Brillouin gain medium, which makes it easy to excite the stimulated Brillouin scattering (SBS) in the EDF by cooperating with the ring cavity structure. In order to realize stable SLM and narrow-linewidth laser output, the fiber saturable absorber (SA) and the self-injection feedback structure are added to BEFL for the first time, which can suppress the multimode phenomenon effectively and obtain a stable SLM status. The wavelength stability is less than 1.32 pm over 45 minutes and the linewidth is as narrow as 283 Hz.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Junsen Yang, Zhengkang Wang, Jianming Shang, Bin Luo, Tianwei Jiang, and Song Yu "All polarization maintaining Brillouin erbium-doped fiber laser with narrow linewidth and stable single longitudinal mode", Proc. SPIE 12972, International Academic Conference on Optics and Photonics (IACOP 2023), 129720I (25 January 2024); https://doi.org/10.1117/12.3022039

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KEYWORDS

Fiber lasers

Spatial light modulators

Structured optical fibers

Tunable filters

Optical filters

Signal intensity

Fiber Bragg gratings

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