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

✍ Scribed by S. W. Harun; H. Ahmad

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
77 KB
Volume
40
Category
Article
ISSN
0895-2477

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✦ Synopsis

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. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 40: 314–316, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11365

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