Effect of doped fiber length on the stretch pulses of a mode-locked erbium-doped fiber laser

Tan, S.J. and Ismail, M.A. and Shahabuddin, N.S. and Ahmad, Harith and Arof, Hamzah and Harun, Sulaiman Wadi (2012) Effect of doped fiber length on the stretch pulses of a mode-locked erbium-doped fiber laser. Laser Physics, 22 (7). pp. 1240-1243. ISSN 1054-660X

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Abstract

A passively self!starting mode!locked fiber ring laser is demonstrated using a highly concentrated Erbium doped fiber (EDF) with a saturable absorber. The effect of EDF length on the performance of the laser is investigated. Stable stretched pulses are obtained at wavelength region of 1560nm with a repetition rate ranging from 10.1 to 12.1 MHz and a pulse width stretching from 0.52 to 0.75 ps as the EDF length is reduced from 4.5 to 1.5 m. The repetition rate goes higher as the cavity length decreases when a shorter EDF is used but the pulse width reduces as the EDF length increases since the total group velocity dispersion (GVD) in the cavity is close to zero.

Item Type: Article
Uncontrolled Keywords: Doped Fiber Length; Stretch Pulses; Mode-Locked; Erbium-Doped; Fiber Laser
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Jamilah Salleh
Date Deposited: 10 Nov 2014 02:15
Last Modified: 08 Apr 2019 04:54
URI: http://eprints.um.edu.my/id/eprint/10463

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