Experimental investigation of noise in double-pass erbium-doped fiber amplifiers

Naji, A. W. and Abidin, M. S. Z. and Al-Mansoori, M. H. and Faidz, A. R. and Mahdi, M. A. (2007) Experimental investigation of noise in double-pass erbium-doped fiber amplifiers. Laser Physics Letters, 4 (2). pp. 145-148. ISSN 16122011

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Official URL: http://dx.doi.org/10.1002/lapl.200610075

Abstract

In this paper, noise figure characteristics of double-pass amplifiers are investigated. Experimental analysis between single-pass and double-pass amplifications is discussed with 1480 nm pumping scheme. The noise figure penalty of the double-pass amplifier compared to single-pass amplifier is contributed by the generation of amplified spontaneous emission in backward direction with respect to the initial signal direction. Thus, the optical signal-to-noise ratio of the signal is degraded with the same amount of the noise figure penalty.

Item Type: Article
Subjects: T Technology > T Technology (General)
Q Science > QA Mathematics > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 04 Oct 2011 02:52
Last Modified: 04 Oct 2011 02:52
URI: http://shdl.mmu.edu.my/id/eprint/3110

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