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Single-stage gain-clamped L-band EDFA with C-band ASE self-oscillation in ring cavity

Mahdi, Mohd Adzir and A. Bakar, Ahmad Ashrif and Al-Mansoori, Mohammed Hayder and Shaari, S. and Abdul Kadir, Zamzuri (2008) Single-stage gain-clamped L-band EDFA with C-band ASE self-oscillation in ring cavity. Laser Physics Letters, 5 (2). pp. 126-129. ISSN 1612-2011

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Official URL: http://dx.doi.org/10.1002/lapl.200710095

Abstract

We demonstrate single-stage gain-clamped L-band Er3+-doped fiber amplifier (EDFA) utilizing self-oscillation modes as the control light. The amplifier structure exploits the characteristics of C/L-band coupler to isolate between lasing modes and L-band signal. The self-lasing cavity modes are obtained without any tunable bandpass filter in the loop and generated from the amplified spontaneous emission in the C-band region. The amplifier configuration has lower noise figures as opposed to a dual-stage partially gain-clamped amplifier. The gain and noise figure fluctuations are less than ±0.4 dB in the gain clamping region. The transient analysis confirms that the maximum power excursion is less than 0.3 dB for 10-dB add/drop.

Item Type:Article
Keyword:optical fiber amplifier, Erbium, gain-clamped
Faculty or Institute:Faculty of Engineering
Publisher:Wiley-Blackwell
DOI Number:10.1002/lapl.200710095
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1002/lapl.200710095
ID Code:8191
Deposited By: Mardhiah Mat Jusoh
Deposited On:20 Oct 2010 12:50
Last Modified:20 Oct 2010 12:58

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