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Your search keyword '"Suo, Yuping"' showing total 125 results
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125 results on '"Suo, Yuping"'

3. Wavelength-switchable ultra-narrow linewidth fiber laser enabled by a figure-8 compound-ring-cavity filter and a polarization-managed four-channel filter

Author

Feng, Ting, Wei, Da, Bi, Wenwen, Sun, Weiwei, Wu, Shengbao, Jiang, Meili, Yan, Fengping, Suo, Yuping, and Yao, X. Steve

Subjects
Physics - Optics, Physics - Applied Physics
Abstract

We propose and demonstrate a high performance four-wavelength erbium-doped fiber laser (EDFL), enabled by a figure-8 compound-ring-cavity (F8-CRC) filter for single-longitudinal-mode (SLM) selection and a polarization-managed four-channel filter (PM-FCF) for defining four lasing wavelengths. We introduce a novel methodology utilizing signal-flow graph combined with Mason's rule to analyze a CRC filter in general and apply it to obtain the important design parameters for the F8-CRC filter used in this paper. By combining the functions of the F8-CRC filter and the PM-FCF filter assisted by the enhanced polarization hole-burning and polarization dependent loss, we achieve the EDFL with fifteen lasing states, including four single-, six dual-, four tri- and one quad-wavelength lasing operations. In particular, all the four single-wavelength operations are in stable SLM oscillation, typically with a linewidth of <600 Hz, a RIN of <=-154.58 dB/Hz@>=3 MHz and an output power fluctuation of <=+/-3.45%. In addition, all the six dual-wavelength operations have very similar performances, with the performance parameters close to those of the single-wavelength lasing operations. Finally, we achieve the wavelength spacing tuning of the dual-wavelength operations for the photonic generation of tunable microwave signals, and successfully obtain a signal at 23.10 GHz as a demonstration., Comment: 21 pages, 14 figures

Published
2021
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32. Demonstration of the first outdoor 2-μm-band real-time video transmission free-space optical communication system using a self-designed single-frequency fiber laser

Author

Qin, Qi, primary, Li, Ting, additional, Yan, Fengping, additional, Feng, Ting, additional, Sun, Weiwei, additional, Han, Wenguo, additional, Yang, Dandan, additional, Wang, Xiangdong, additional, Yu, Chenhao, additional, Wang, Pengfei, additional, Cheng, Dan, additional, Guo, Ying, additional, Du, Xuemei, additional, Liu, Yan, additional, Jiang, Youchao, additional, Kumamoto, Kazuo, additional, Zhou, Hong, additional, and Suo, Yuping, additional

Published
2023
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49. Multi-wavelength Thulium-Doped Fiber Laser Via a Polarization-Maintaining Sagnac loop Mirror With a Theta-Shaped Configuration.

Author

Qin, Qi, Yan, Fengping, Liu, Yan, Guo, Ying, Zhang, Luna, Guan, Biao, Li, Ting, Suo, Yuping, Zhou, Hong, and Feng, Ting

Abstract

A modified polarization-maintaining Sagnac loop mirror is proposed, and the simulated transmission spectrum of the proposed filter is in accordance with experimental transmission spectrum. Based on the proposed filter, a multi-wavelength thulium-doped fiber laser is constructed and experimentally demonstrated. The stable multi-wavelength oscillation within 60 minutes is achieved through the nonlinear polarization rotation effect enhanced by the highly nonlinear fiber. By fine tuning the polarization state, up to 35 lasing lines are obtained within a 10-dB bandwidth with wavelength separation of ∼1.38 nm at room temperature. The wavelength shift and the output power fluctuation are less than 0.04 nm and 1.69 dB, respectively. In addition, by changing the optical coupling ratio in the Sagnac loop mirror, different outputs with 7, 8, 16 lasing lines are also obtained. [ABSTRACT FROM AUTHOR]

Published
2021
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