L-band erbium-doped fibre amplifier with clamped- and flattened-gain using FBG

Harun, Sulaiman Wadi and Ahmad, Harith (2003) L-band erbium-doped fibre amplifier with clamped- and flattened-gain using FBG. Electronics Letters, 39 (17). pp. 1238-1240. ISSN 0013-5194

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Official URL: http://dx.doi.org/10.1049/el:20030823

Abstract

A gain clamped long wavelength band erbium-doped fibre amplifier (L-band EDFA) based on a ring laser cavity is demonstrated using a fibre-Bragg grating (FBG) at the output end of the amplifier. This new design provides a good gain clamping as well as a gain flattening. The gain is clamped at 16.9 dB with gain variation of less than 0.1 dB from input signal power of -40 to -18 dBm by setting the VOA = 5 dB. Also, the amplifier has the flattest gain spectrum at VOA = 5. The gain variation is less than 1.0 dB within the wavelength range from 1570 to 1600 nm. This gain clamped amplifier also can support a 12 channel WDM system.

Item Type: Article
Uncontrolled Keywords: Fiber Bragg gratings; Laser tuning; Light reflection; Optical design; Optical filters; Optical resolving power; Pumping (laser); Ring lasers; Semiconductor lasers; Spectrum analyzers; Wavelength division multiplexing
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 07:37
Last Modified: 11 Oct 2018 07:37
URI: http://eprints.um.edu.my/id/eprint/19639

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