High gain L-band erbium-doped fiber amplifier with two-stage double-pass configuration

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) High gain L-band erbium-doped fiber amplifier with two-stage double-pass configuration. Pramana, 61 (1). pp. 93-97. ISSN 0304-4289

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Official URL: http://dx.doi.org/10.1007/BF02704513

Abstract

An experiment on gain enhancement in the long wavelength band erbium-doped fiber amplifier (L-band EDFA) is demonstrated using dual forward pumping scheme in double-pass system. Compared to a single-stage single-pass scheme, the small signal gain for 1580 nm signal can be improved by 13.5 dB. However, a noise figure penalty of 2.9 dB was obtained due to the backward C-bund ASE from second stage and the already amplified signal from the first pass that extracting energy from the forward C-band ASE. The maximum gain improvement of 13.7 dB was obtained at a signal wavelength of 1588 nm while signal and total pump powers were fixed at -30 dBm and 92 mW, respectively.

Item Type: Article
Uncontrolled Keywords: Amplified spontaneous emission; Erbium-doped fibre; L-band erbium-doped fiber amplifier; Optical amplifier; Two-stage erbium-doped fiber amplifier
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 > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Oct 2018 06:05
Last Modified: 11 Oct 2018 06:05
URI: http://eprints.um.edu.my/id/eprint/19634

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