Gain and noise figure improvements in double-pass S-band EDFA

HARUN, S and AHMAD, H (2007) Gain and noise figure improvements in double-pass S-band EDFA. Optics & Laser Technology, 39 (5). pp. 935-938. ISSN 00303992

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Official URL: http://dx.doi.org/10.1016/j.optlastec.2006.06.017

Abstract

Double-pass short-wavelength band erbium-doped fiber amplifier (S-band EDFA) with enhanced gain and noise figure characteristics is demonstrated. It uses a broadband fiber Bragg grating (FBG) operating in conventional-band (C-band) region to reduce the C-band amplified spontaneous emission (ASE) in the amplifier system and thus increases the population inversion in the S-band region. The small signal gain is increased by about 2.7 dB for 1500 nm signal at pump power of 103 mW, compared with that of the conventional double-pass amplifier without the FBG. The corresponding noise figure is also improved by 0.5 dB. (c) 2006 Elsevier Ltd. All rights reserved.

Item Type: Article
Subjects: T Technology > T Technology (General)
Q Science > QC Physics
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 27 Sep 2011 06:00
Last Modified: 25 Feb 2014 03:13
URI: http://shdl.mmu.edu.my/id/eprint/3035

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