Broadband dual-comb laser based on a single-cavity dual-wavelength fiber laser

Xiaochun Liao; Guoqing Hu; Xujie Chen; Hetian Li; Guangwei Chen; Cong Lu; Pengyu Yan; JunPeng Liu; Hongbo Huang; Huiyu Li; Zhiyong Zhang; Tengfei Wu; Ying Qin; Zhehai Zhou

doi:10.1117/12.3036219

27 November 2024 Broadband dual-comb laser based on a single-cavity dual-wavelength fiber laser

Xiaochun Liao, Guoqing Hu, Xujie Chen, Hetian Li, Guangwei Chen, Cong Lu, Pengyu Yan, JunPeng Liu, Hongbo Huang, Huiyu Li, Zhiyong Zhang, Tengfei Wu, Ying Qin, Zhehai Zhou

Author Affiliations +

Proceedings Volume 13236, Optoelectronic Devices and Integration XIII; 1323612 (2024) https://doi.org/10.1117/12.3036219
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Conference Poster

Abstract

We proposed the simultaneous wavelength extensions of single-cavity dual-wavelength pulses by using a single erbium-doped fiber amplifier and one section of high nonlinear fiber. By additionally introducing a polarization dependent isolator, polarization dependent loss based gain profile tuning is adopted to obtain dual-wavelength pulses centered at 1533.7 and 1554.8nm. When both dual-wavelength pulses are simultaneously launched into the same erbium-doped fiber amplifier with the bidirectional pump power, the spectral range of the output pulses could be expanded to be from 1500 to 1600nm. Subsequently, the amplified dual-wavelength pulses further pass through a section of high nonlinear fiber, extending the spectrum from 1.2μm to more than 1.75μm. Dual-wavelength pulses are amplified simultaneously by using only one amplifier, showing the feasibility of the simplification of single-cavity dual-comb pulse amplification. These results show the high potential in the applications such as multi-color laser generation and spectroscopy.

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

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Xiaochun Liao, Guoqing Hu, Xujie Chen, Hetian Li, Guangwei Chen, Cong Lu, Pengyu Yan, JunPeng Liu, Hongbo Huang, Huiyu Li, Zhiyong Zhang, Tengfei Wu, Ying Qin, and Zhehai Zhou "Broadband dual-comb laser based on a single-cavity dual-wavelength fiber laser", Proc. SPIE 13236, Optoelectronic Devices and Integration XIII, 1323612 (27 November 2024); https://doi.org/10.1117/12.3036219

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