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L-band R-EDFA/Raman hybrid amplifier with enhanced higher-order pumping scheme utilizing stimulated Raman scattering.

Abu Bakar, Muhammad Hafiz and Mahdi, Mohd Adzir and Mahamd Adikan, Faisal Rafiq and Ibrahim, N. H. (2013) L-band R-EDFA/Raman hybrid amplifier with enhanced higher-order pumping scheme utilizing stimulated Raman scattering. Optics Communications, 291 . pp. 155-161. ISSN 0030-4018

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Abstract

An enhanced pump delivery scheme for L-band remote erbium-doped fiber/Raman (R-EDFA/Raman) hybrid amplifier utilizing stimulated Raman scattering (SRS) is demonstrated. The technique benefits from the use of higher-order pumps that are realized by generating C-band SRS and ultra-long Raman fiber laser (ULRFL). A section of passive erbium-doped fiber is deployed at the end of the transmission span to exploit the ULRFL pump for additional amplification. Gain clamping effect is observed at the R-EDFA and passive EDF due to saturation from the higher-order pumps. Tuning the pump wavelengths to a region away from the amplification bandwidth could remove the gain-clamping effect and produce maximum gain performance.

Item Type:Article
Keyword:Amplifiers; Erbium; Stimulated Raman scattering; Fiber laser
Faculty or Institute:Faculty of Engineering
DOI Number:10.1016/j.optcom.2012.10.041
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.optcom.2012.10.041
ID Code:28492
Deposited By: Muizzudin Kaspol
Deposited On:23 Jun 2014 16:55
Last Modified:15 Sep 2015 08:57

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