Femtosecond mode-locked 1.5 μm fiber laser based on PEDOT: PSS as saturable absorber

Al-Hiti, Ahmed Shakir and Yasin, M. and Najm Alsalam, Mustafa Mohammed and Harun, Sulaiman Wadi (2024) Femtosecond mode-locked 1.5 μm fiber laser based on PEDOT: PSS as saturable absorber. Optics Communications, 550. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2023.129926.

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Official URL: https://doi.org/10.1016/j.optcom.2023.129926


We have successfully demonstrated the soliton mode-locked pulse generation in a 77 m long erbium-doped fiber laser (EDFL) cavity using Poly(3,4-ethylenedioxythiophene): poly (styrenesulfonate) (PEDOT: PSS) as a saturable absorber (SA). The prepared PEDOT:PSS SA film exhibits excellent optical characteristics with large saturable absorption of 40% and low saturation intensity of 0.17 MW/cm2, appropriate for the soliton mode-locking generation. The fundamentally mode-locked EDFL operates at 1568.55 nm central wavelength, 2.465 MHz repetition frequency, a 3.06 nm 3-dB bandwidth and 4.46 nJ highest pulse energy.

Item Type: Article
Uncontrolled Keywords: Mode -locked; Depositing layer; Erbium -doped fiber laser; PEDOT; PSS
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Jun 2024 08:06
Last Modified: 14 Jun 2024 08:06
URI: http://eprints.um.edu.my/id/eprint/44185

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