Stable double spacing multiwavelength Brillouin-Erbium doped fiber laser based on highly nonlinear fiber

Ahmad, B.A. and Al-Alimi, A.W. and Abas, Ahmad Fauzi and Harun, Sulaiman Wadi and Mahdi, Mohd Adzir (2012) Stable double spacing multiwavelength Brillouin-Erbium doped fiber laser based on highly nonlinear fiber. Laser Physics, 22 (5). pp. 977-981. ISSN 1054-660X

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Official URL: https://doi.org/10.1134/S1054660X12050027

Abstract

A double frequency spaced multiwavelength Brillouin-Erbium doped fiber laser (BEDFL) with figure-of-eight cavity have been successfully developed and tested. Double frequency spacing is achieved by using a piece of 2 km of highly nonlinear fiber (HNLF) as a gain medium. Figure-of-eight configuration removes the odd order Stokes signals via a four-port circulator. Fifteen Stokes channels are simultaneously generated with a spacing of 0.154 nm that is around 20 GHz, when the Brillouin pump and 980 nm pump powers are fixed at the optimized values of 6 dBm and 40 mW, respectively. Fourteen anti stoke channels are also obtained, which are generated through four wave mixing (FWM) process in the laser cavity. The output is smooth triangular comb. The BEFL can also be tuned from 1526.5 to 1567.5 nm.

Item Type: Article
Uncontrolled Keywords: Fiber lasers; Frequency doublers; Nonlinear optics
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Jan 2019 09:02
Last Modified: 08 Apr 2019 06:16
URI: http://eprints.um.edu.my/id/eprint/19907

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