Double-side polished fiber for generation of mode-locked fiber lasers

Ahmad, Harith and Sharbirin, A. S. and Ariannejad, M. M. (2021) Double-side polished fiber for generation of mode-locked fiber lasers. Optics Communications, 479. ISSN 0030-4018, DOI

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A double-side polished fiber (DSPF) is fabricated for the passive generation of mode-locked pulses in an optical fiber ring cavity. The DSPF is made using a modified wheel polishing technique and coated with a cobalt oxide (Co3O4) solution as a saturable absorber (SA) to induce mode-locked operation by evanescent field interaction. The laser uses a thulium-holmium-doped fiber (THDF) for lasing in the two-micron region, with a mode-locked output having a pulse width of 1.44 ps. The repetition rate of the pulses is 11.8 MHz with a relatively high optical-signal-to-noise ratio value of 56 dB. This work demonstrates the fabrication method of the DSPF that would have potential applications as a SA for generating high power ultrafast lasers.

Item Type: Article
Funders: Ministry of Education, Malaysia, Universiti Malaya [TOP 100 PRC] [ RK 021 - 2019] [RU 011 - 2019]
Uncontrolled Keywords: Side-polished fiber; Mode-Locking; Thulium-Homium-doped Fiber Laser; Double-side polished fiber
Subjects: Q Science > QC Physics
Divisions: Faculty of Science
Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms Zaharah Ramly
Date Deposited: 06 Apr 2022 02:13
Last Modified: 06 Apr 2022 02:13

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