Harmonic domain-wall dark pulse generation using unpumped thin-core thulium fiber as interferometer

Chi, Mingzhi and Tiu, Zian Cheak and Fu, Hongyan and Li, Qian and Harun, Sulaiman Wadi (2024) Harmonic domain-wall dark pulse generation using unpumped thin-core thulium fiber as interferometer. Optics and Laser Technology, 177. p. 111045. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2024.111045.

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Official URL: https://doi.org/10.1016/j.optlastec.2024.111045

Abstract

In this work, the harmonic domain-wall dark pulse is experimentally demonstrated in C-band fiber laser. The domain-wall dark pulse was self-started at pump power of 112 mW. The fundamental dark pulse repetition rate was measured as 0.96 MHz, pulse duration of 250 ns and highest average pulse energy of 3.24 nJ. As the power increased, dark pulses up to the 7th harmonic order were visualized and quantified. Pulse temporal width reduced as harmonic order increased, with the minimum pulse width of 60 ns recorded in the 7th order. The harmonic dark pulse fiber laser demonstrated adequate stability, with signal-to-noise ratios above 50 dB throughout all harmonic operations. The endeavor of harmonic dark pulse dark soliton could lay the groundwork for future sustainable industrial growth.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Domain-wall; Dark pulse; Thin-core thulium-doped fiber
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 17 Sep 2024 02:00
Last Modified: 17 Sep 2024 02:00
URI: http://eprints.um.edu.my/id/eprint/45091

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