Depressed cladding erbium-doped fiber laser passively mode-locked with carbon nanotube saturable absorber

Ahmad, Harith and Zulkifli, Ahmad Zarif and Tiu, Zian Cheak and Thambiratnam, Kavintheran and Yasin, Moh (2019) Depressed cladding erbium-doped fiber laser passively mode-locked with carbon nanotube saturable absorber. Laser Physics Letters, 16 (4). 045102. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ab0a70.

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Official URL: https://doi.org/10.1088/1612-202X/ab0a70

Abstract

A depressed cladding erbium doped fiber (DC-EDF) laser with a carbon nanotube saturable absorber is proposed and demonstrated. The laser is able to generate a mode-locked output with a narrow pulse width of 0.77 ps at a lasing wavelength of 1496 nm. A 200 m long single-mode fiber together with the DC-EDF, with a negative and positive dispersion respectively is used to balance the effect of dispersion and the non-linearity of the system. The output is highly stable, with a signal to noise ratio in the radio frequency domain of 51.2 dB as well as a pulse energy, average output power and repetition rate of 58.9 pJ, -12.75 dBm and 900.9 KHz at the maximum pump power. The proposed laser would have significant applications for S-band communications systems. © 2019 Astro Ltd.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: carbon nanotubes; depressed cladding erbium doped fiber (DC-EDF); mode-locking
Subjects: Q Science > QC Physics
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 19 May 2020 02:55
Last Modified: 19 May 2020 02:55
URI: http://eprints.um.edu.my/id/eprint/24344

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