Ultrafast erbium-doped fiber laser mode-locked with a black phosphorus saturable absorber

Ahmed, M.H.M. and Latiff, A.A. and Arof, Hamzah and Harun, Sulaiman Wadi (2016) Ultrafast erbium-doped fiber laser mode-locked with a black phosphorus saturable absorber. Laser Physics Letters, 13 (9). 095104. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/13/9/095104.

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Official URL: https://doi.org/10.1088/1612-2011/13/9/095104


We experimentally demonstrate a passive mode-locked erbium-doped fiber laser (EDFL) using a multi-layer black phosphorus saturable absorber (BPSA). The BPSA is fabricated by mechanically exfoliating a BP crystal and sticking the acquired BP flakes onto scotch tape. A small piece of the tape is then placed between two ferrules and integrated into an EDFL cavity to achieve a self-started soliton mode-locked pulse operation at 1560.7 nm wavelength. The 3 dB bandwidth, pulse width, and repetition rate of the laser are 6.4 nm, 570 fs, and 6.88 MHz, respectively. The average output power is 5.1 mW at pump power of 140 mW and thus, the pulse energy and peak power are estimated at 0.74 nJ and 1.22 kW, respectively. The BPSA was constructed in a simple fabrication process and has a modulation depth of 7% to successfully produce the stable mode-locked fiber laser.

Item Type: Article
Funders: University of Malaya: PPP Grant Scheme (Grant No: PG173-2015B)
Uncontrolled Keywords: Fiber lasers; Mode-locking; Optical materials
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Nov 2017 07:39
Last Modified: 09 Oct 2018 03:59
URI: http://eprints.um.edu.my/id/eprint/18147

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