Efficient multiwavelength generation of Brillouin/erbium fiber laser at 1600-nm region

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2002) Efficient multiwavelength generation of Brillouin/erbium fiber laser at 1600-nm region. Microwave and Optical Technology Letters, 35 (6). pp. 506-508. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.10650

Abstract

An efficient Brillouin/erbium fiber laser, which operates in the 1600-nm (L-band) region, is demonstrated for potential applications in future dense-wavelength division multiplexing communication systems. The laser configuration consists of an L-band EDFA (to enable L-band amplification) where two 3-dB couplers take a portion of the generated BEFL signal and re-inject it into the single-mode fiber in order to seed a cascaded BEFL line in the same direction as the first BEFL line. An efficient BEFL can be obtained by recycling backward a 1550-nm-band amplified spontaneous emission as a secondary pump source for the unpumped EDF in the L-band EDFA section. As a result, the lasing threshold is reduced and slope efficiency is improved. A stable and strong laser comb of up to five lines with 10-GHz spacing has been obtained with a Brillouin pump of 4.8 mW and a 980-nm pump of 92 mW.

Item Type: Article
Uncontrolled Keywords: Brillouin/erbium fiber laser; Erbium-doped fibre; Erbium-doped fibre amplifier; Fibre laser; L-band
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Oct 2018 05:51
Last Modified: 11 Oct 2018 05:51
URI: http://eprints.um.edu.my/id/eprint/19630

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