Enhancement of Brillouin gain efficiency in multiwavelength L-band BEFL by utilizing bi-directional Brillouin pump amplification

Al-Mansoori, Mohammed Hayder and Mahdi, Mohd Adzir and Jamaludin, Md Zaini and Din, N. M. and Abdullah , F. (2010) Enhancement of Brillouin gain efficiency in multiwavelength L-band BEFL by utilizing bi-directional Brillouin pump amplification. International Journal of Wavelets Multiresolution and Information Processing, 27 (7). pp. 1332-1336. ISSN 0219-6913

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Abstract

Enhancement of Brillouin gain efficiency in a multiwavelength L-band Brillouin-erbium comb fiber laser is presented. In this laser architecture, bi-directional amplification of the injected Brillouin pump signal within the erbium gain medium, before entering the single-mode fiber was utilized. Owing to this bi-directional pre-amplification of the Brillouin pump power, the requirement of a long single-mode fiber to increase the Brillouin gain efficiency was overcome. The shot length of a single-mode fiber was utilized to achieve a high number of output channels with high peak power. Up to 25 output channels with a constant wavelength separation of 0.089 nm were achieved at 170 mW of 1480 nm pump power and 0.54 mW of Brillouin pump power in a 0.5 km short single-mode fiber.

Item Type:Article
Faculty or Institute:Faculty of Engineering
Publisher:World Scientific Publishing
DOI Number:10.1364/JOSAB.27.001332
ID Code:11639
Deposited By: Anas Yahaya
Deposited On:08 Apr 2011 09:15
Last Modified:08 Apr 2011 09:18

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