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

Harun, Sulaiman Wadi and Ahmad, Harith (2007) Gain and noise figure improvements in double-pass S-band EDFA. Optics & Laser Technology, 39 (5). pp. 935-938. ISSN 0030-3992, DOI

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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.

Item Type: Article
Uncontrolled Keywords: S-band EDFA; Double-pass scheme; Depressed cladding EDF
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 17 Oct 2018 05:03
Last Modified: 17 Oct 2018 05:03

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