L-band gain clamped erbium-doped fiber amplifier incorporating a C/L-band WDM coupler

Harun, Sulaiman Wadi and Ahmad, Harith (2004) L-band gain clamped erbium-doped fiber amplifier incorporating a C/L-band WDM coupler. Microwave and Optical Technology Letters, 40 (4). pp. 314-316. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.11365

Abstract

Gain clamping in a long-wavelength-band erbium-doped fiber amplifier (L-band EDFA) using a C/L-band WDM coupler is demonstrated. The gain for the amplifier is clamped at 15.5 dB with a gain variation of less than 0.2 dB from input signal power ranging from -40 to -14 dBm with almost negligible noise-figure penalty. However, the flatness of the gain spectrum is slightly degraded due to the nonoptimisation of the EDF length. The advantage of this configuration is that the oscillating light does not appear at the output port of the amplifier.

Item Type: Article
Uncontrolled Keywords: C/L-band WDM coupler; Gain clamping; L-band EDFA; Optical amplifier; Ring 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 08:35
Last Modified: 11 Oct 2018 08:35
URI: http://eprints.um.edu.my/id/eprint/19650

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