2.1μm tunable multi-wavelength holmium fiber laser

Xiuming Yu; Jiqiang Li

doi:10.1117/12.3030414

3 June 2024 2.1μm tunable multi-wavelength holmium fiber laser

Xiuming Yu, Jiqiang Li

Proceedings Volume 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024); 131821G (2024) https://doi.org/10.1117/12.3030414
Event: 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 2024, Kunming, China

Abstract

In order to generate the multi-wavelength fiber at 2.1 μm band, a tunable multi wavelength Ho³⁺-doped ring fiber laser based on all-fiber Sagnac interferometer was designed. A 3m long Ho³⁺-doped silica fiber was pumped by a Tm³⁺-doped fiber laser,and then the spontaneous radiation at 2.1 μm band was amplified.In the annular cavity,the Sagnac fiber interferometer consisted of an 8 m long polarization maintain fiber (PMF) and a polarization controller (PC),and the output wavelength at 2.1 μm waveband can be period tuned by the Sagnac interferometer.In experiment,a multi-wavelength laser at 2.1 μm waveband can be got,the output power can be tuned from 1 mW to 15 mW,and up to 6 wavelengths of laser output can be observed.By adjusting the PC in annular cavity ,the output tunable wavelength number can be realized from 1 to 6 at 2.1 μm band.

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

Citation Download Citation

Xiuming Yu and Jiqiang Li "2.1μm tunable multi-wavelength holmium fiber laser", Proc. SPIE 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 131821G (3 June 2024); https://doi.org/10.1117/12.3030414

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KEYWORDS

Fiber lasers

Tunable filters

Holmium

Optical filters

Sagnac interferometers

Polarization

Laser radiation

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