Paper
18 March 2024 Mid-infrared conventional solitons and soliton molecules in a polarization-maintaining fluoride fiber oscillator
Qinghui Zeng, Linpeng Yu, Peiguang Yan, Jinzhang Wang, Qitao Lue, Chunyu Guo, Shuangchen Ruan
Author Affiliations +
Proceedings Volume 13104, Advanced Fiber Laser Conference (AFL2023); 131041L (2024) https://doi.org/10.1117/12.3022576
Event: Advanced Fiber Laser Conference (AFL2023), 2023, Shenzhen, China
Abstract
Mid-infrared conventional solitons and soliton molecules are generated in a polarization-maintaining erbium-doped fluoride fiber oscillator, where a semiconductor saturable absorber is used as the mode locker and a polarization beam splitter is employed for getting linearly polarized output pulses. By rotating the half-wave plate in front of the polarization beam splitter to change the output coupling ratio, the system is switchable between conventional solitons and soliton molecules. conventional solitons with a pulse duration of 120 ps, a maximum average power of 248 mW, and a repetition rate of 44.5 MHz are obtained when the oscillator operates in the single-pulse mode-locked state. By decreasing the output coupling ratio, the operating regime of the oscillator switches to the soliton-molecule mode-locked state, in which soliton-triplets equally distributed at a repetition rate of 44.5 MHz with a signal-to-noise ratio of 78 dB and a temporal separation of 60 ps are obtained. Our work offers a scheme to realize switchable operations between the conventional soliton and the soliton molecule in the mid-infrared polarization-maintaining mode-locked fiber laser.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Qinghui Zeng, Linpeng Yu, Peiguang Yan, Jinzhang Wang, Qitao Lue, Chunyu Guo, and Shuangchen Ruan "Mid-infrared conventional solitons and soliton molecules in a polarization-maintaining fluoride fiber oscillator", Proc. SPIE 13104, Advanced Fiber Laser Conference (AFL2023), 131041L (18 March 2024); https://doi.org/10.1117/12.3022576
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KEYWORDS
Solitons

Mode locking

Molecules

Oscillators

Fluoride

Fiber lasers

Mid infrared

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