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Dual-stage gain-clamped erbium-doped fiber amplifier with fiber Bragg grating


Mahdi, Mohd Adzir and Abdul Kadir, Zamzuri and Ahmad, A. and Md. Ali, M. I. and Mohamad, R. (2008) Dual-stage gain-clamped erbium-doped fiber amplifier with fiber Bragg grating. Laser Physics Letters, 5 (4). pp. 296-299. ISSN 1612-2011


We demonstrate a dual-stage gain-clamped erbiumdoped fiber amplifier. The first-stage amplifier consists of a short length of erbium-doped fiber to produce low noise figures. The second-stage is constructed from a counter-propagating ringlaser, in which the signals and the lasing wavelength propagate in the opposite direction. The lasing wavelength is selected via a reflective-type of fiber Bragg grating. The gain-clamping mechanism can be adjusted by either changing the fiber Bragg grating reflectivity or center wavelength. The noise figure penalty is about 1.5 dB for the gain-clamping value from 11 dB to 20.5 dB. (© 2008 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA)

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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1002/lapl.200710117
Publisher: Wiley-Blackwell
Keywords: erbium, optical amplifier, gain-clamped
Depositing User: Mardhiah Mat Jusoh
Date Deposited: 20 Oct 2010 05:00
Last Modified: 23 Oct 2015 06:58
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1002/lapl.200710117
URI: http://psasir.upm.edu.my/id/eprint/8193
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