Self-excited brillouin-erbium fiber laser for DWDM applications

Harun, Sulaiman Wadi and Cheng, Xiau San and Poopalan, Prabakaran and Ahmad, Harith (2007) Self-excited brillouin-erbium fiber laser for DWDM applications. Optics & Laser Technology, 39 (1). pp. 94-97. ISSN 0030-3992, DOI

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The operation of the self-excited Brillouin/erbium fiber laser (BEFL) is experimentally demonstrated. It uses a forward pumped erbium-doped fiber (EDF) as a gain medium to generate a Brillouin-pump (BP) and amplify the Stokes frequency signals generated in a single-mode fiber (SMF). The operating wavelength varies with changes of coupling ratio of the looping arm. The optimum BEFL operation is obtained with a center wavelength at 1567.5 nm by looping back 20% of BEFL output into the other end of the SMF. The BEFL output power and number of lines increases gradually as 980-nm pump power increases. At the maximum 980-nm pump power of 118 mW, a stable and strong BEFL comb of up to 16 lines with 11 GHz spacing is demonstrated. The self-excited BEFL has the potential to be used in the future dense wavelength division multiplexing (DWDM) communication system.

Item Type: Article
Uncontrolled Keywords: Optical fiber devices; Brillouin scattering; Self-excited BEFL; EDFL; Optical fiber laser
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 > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 29 Oct 2018 08:27
Last Modified: 29 Oct 2018 08:27

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