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Wideband and compact erbium-doped fiber amplifier using parallel double-pass configuration

Hamida, Belal Ahmed and X. S., Cheng and Harun, Sulaiman Wadi and Ahmed Wathik, Naji and Arof, Hamzah and Khan, Sheroz and Al-Khateeb, Wajdi Fawzi Mohammed and Ahmad, Harith (2012) Wideband and compact erbium-doped fiber amplifier using parallel double-pass configuration. Microwave and Optical Technology Letters, 54 (3). pp. 629-637. ISSN 0895-2477

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In this article, a wide-band erbium doped fiber amplifier (EDFA) that operates in both C- and L-band wavelength regions is demonstrated. The amplifier employs two pieces of 1.5 m and 9 m-long erbium doped fibers (EDFs) optimized for C-band and L-band operations, respectively, in double-pass parallel configuration to achieve a wideband operation from 1530 to 1605 nm. The chirp fiber Bragg grating is used in both stages to allow a double propagation of signal and thus increases the attainable gain in both C- and L-band regions. At an input signal power of −30 dBm, a measured gain varies from 23 to 36 dB within a wide wavelength region from 1530 to 1605 nm. The corresponding noise figure varies from 5.6 to 8.2 dB within this wavelength region. The gain and noise figure of the proposed parallel configuration is much better when compared to that of a serial amplifier.

Item Type: Article (Journal)
Additional Information: 3930/15653
Uncontrolled Keywords: silica-based erbium doped fiber;double-pass amplifier;wideband amplifier
Subjects: Q Science > Q Science (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr Ahmed Wathik Naji AL QAYSI
Date Deposited: 09 Nov 2012 12:17
Last Modified: 20 Mar 2015 15:01
URI: http://irep.iium.edu.my/id/eprint/15653

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