Gain and noise performances of an L-band EDFA utilizing a ring laser cavity with fiber Bragg grating

Harun, Sulaiman Wadi and Tamchek, Nizam and Ahmad, Harith (2002) Gain and noise performances of an L-band EDFA utilizing a ring laser cavity with fiber Bragg grating. Microwave and Optical Technology Letters, 36 (1). pp. 1-2. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.10652

Abstract

The performances of gain and noise figure of an L-band EDFA utilizing a ring laser cavity is demonstrated. It uses a fiber Bragg grating (FBG), arranged to propagate in opposition to the amplifier signal by a pair of circulators, to provide laser feedback. A flat-gain spectrum with less than 1.1-dB variation between 1568 nm and 1604 nm was observed with the laser wavelength at 1560 nm. A gain-clamping effect was also observed with this configuration, which provided a constant gain for all tested input signal powers from -40 dBm to 0 dBm.

Item Type: Article
Uncontrolled Keywords: Fiber Bragg gratings; Gain measurement; Laser tuning; Microwave circulators; Optical fiber coupling; Ring lasers; Semiconductor lasers; Spectrum analysis; Spurious signal noise; 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 06:10
Last Modified: 11 Oct 2018 06:10
URI: http://eprints.um.edu.my/id/eprint/19635

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