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8 November 2024 Observation of triple-wavelength-comb pulse generation based on the triple soliton formation mechanisms
Guoqing Hu, Hetian Li, Zhiyi Liu, Ying Qin, Guangwei Chen, Xiaochun Liao, Huawei Liu, Cong Lu, Pengyu Yan, Huiyu Li, Zhiyong Zhang, Tengfei Wu, Zhehai Zhou
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Proceedings Volume 13232, Advanced Lasers, High-Power Lasers, and Applications XV; 132320S (2024) https://doi.org/10.1117/12.3035886
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China
Abstract
We proposed the triple-wavelength pulses across the 1530- and 1550-nm gain regions are emitted from a carbon nanotube mode-locked ring fiber laser by simultaneously exploiting intracavity loss-based gain profile tuning, Lyot filter effect, and nonlinear polarization evolution. A polarization beam splitter with 2×1-m intracavity polarization-maintaining fiber pigtails is additionally introduced in a typical ring fiber cavity. Polarization-dependent loss is firstly adjusted to equalize the 1530- and 1550-nm gain regions. Except for the triple-wavelength pulses based on Lyot filter and loss-based gain profile tuning, another type of triple-wavelength pulses, i.e. single-wavelength pulse centered at 1530-nm gain region and spectral-overlapping dual-wavelength pulses centered at 1550-nm gain region, are observed by additionally introducing nonlinear polarization evolution. These intriguing results show the feasibility of multi-wavelength pulse generation based on multiple soliton formation mechanisms and the high potential to construct a single-cavity multiple-comb source with versatile pulse characteristics.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Guoqing Hu, Hetian Li, Zhiyi Liu, Ying Qin, Guangwei Chen, Xiaochun Liao, Huawei Liu, Cong Lu, Pengyu Yan, Huiyu Li, Zhiyong Zhang, Tengfei Wu, and Zhehai Zhou "Observation of triple-wavelength-comb pulse generation based on the triple soliton formation mechanisms", Proc. SPIE 13232, Advanced Lasers, High-Power Lasers, and Applications XV, 132320S (8 November 2024); https://doi.org/10.1117/12.3035886
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KEYWORDS
Polarization
Optical filtering
Solitons
Beam splitters
Fiber lasers
Metrology
Mode locking
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