Double spacing multi-wavelength L-band Brillouin erbium fiber laser with Raman pump

Ahmad, B.A. and Al-Alimi, A.W. and Abas, Ahmad Fauzi and Mokhtar, Makhfudzah and Harun, Sulaiman Wadi and Mahdi, Mohd Adzir (2012) Double spacing multi-wavelength L-band Brillouin erbium fiber laser with Raman pump. Journal of Modern Optics, 59 (19). pp. 1690-1694. ISSN 0950-0340, DOI

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A new multi-wavelength Brillouin erbium fiber laser (BEFL), which operates in the L-band region with double frequency Brillouin spacing, is demonstrated. This design uses a Raman pump (RP) and a piece of 2km highly nonlinear fiber as a gain medium. The double frequency spacing is achieved by employing a dual ring configuration, which is formed by utilizing a four-port circulator that removes the odd-order Stoke signals. Twenty Stokes and seventeen anti-Stokes lines, which have optical signal to noise ratio (OSNR) greater than 15dB, are generated simultaneously with a spacing of 0.16nm when Brillouin pump and RP powers were fixed at the optimum values of 8 dBm and 40mW, respectively. The BEFL can be tuned in the range between 1591nm to 1618nm. The proposed configuration increases the number of lines generated and the OSNR, and thus allows a compact multi-wavelength laser source to be realized.

Item Type: Article
Uncontrolled Keywords: Brillouin erbium fiber laser; Multi-wavelength laser; Double frequency spacing; Highly nonlinear fiber
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 03 Jan 2019 04:00
Last Modified: 03 Jan 2019 04:00

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