Wavelength-switchable dual-wavelength pulse emission from a practical-filter-free all-fiber ring cavity

Guoqing Hu; Xiaochun Liao; Xujie Chen; Hetian Li; Guangwei Chen; Ya Liu; Pengyu Yan; Huiyu Li; Zhiyong Zhang; Tengfei Wu; Ying Qin; Zhehai Zhou

doi:10.1117/12.3035952

22 November 2024 Wavelength-switchable dual-wavelength pulse emission from a practical-filter-free all-fiber ring cavity

Guoqing Hu, Xiaochun Liao, Xujie Chen, Hetian Li, Guangwei Chen, Ya Liu, Pengyu Yan, Huiyu Li, Zhiyong Zhang, Tengfei Wu, Ying Qin, Zhehai Zhou

Author Affiliations +

Proceedings Volume 13246, Quantum and Nonlinear Optics XI; 132460S (2024) https://doi.org/10.1117/12.3035952
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

We proposed the emission of wavelength-switchable dual-wavelength-comb pulses in a practical-filter-free cavity. Based on the polarization dependent loss based gain profile tuning, lasings in triple independent gain subregions, i.e. ~1530-, ~1543- and ~1555-nm gain subregions, of erbium-doped fiber, are experimentally observed. Mode-locked by hybrid mechanisms combining carbon nanotube and nonlinear polarization evolution, triple types of dual-wavelength pulses distributed in different dual gain subregions are experimentally obtained. They are distributed in above triple gain subregions and could be switched by adjusting the intracavity polarization controller. These results provide a simple yet effective route to obtain dual-wavelength-comb pulses without additional practical filter and show the high potential in the applications of single-cavity dual-comb metrology.

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

Citation Download Citation

Guoqing Hu, Xiaochun Liao, Xujie Chen, Hetian Li, Guangwei Chen, Ya Liu, Pengyu Yan, Huiyu Li, Zhiyong Zhang, Tengfei Wu, Ying Qin, and Zhehai Zhou "Wavelength-switchable dual-wavelength pulse emission from a practical-filter-free all-fiber ring cavity", Proc. SPIE 13246, Quantum and Nonlinear Optics XI, 132460S (22 November 2024); https://doi.org/10.1117/12.3035952

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KEYWORDS

Polarization

Tunable filters

Mode locking

Optical filters

Fiber lasers

Metrology

Carbon nanotubes

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