IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Observation of Brillouin gain spectrum in optical fibers in telecommunication band: Effect of pump wavelength
Heeyoung LeeNeisei HayashiYosuke MizunoKentaro Nakamura
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2016 Volume 13 Issue 3 Pages 20151066

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Abstract

We study the optical wavelength dependence of the Brillouin gain spectrum for a silica single-mode fiber in the range from 1511 to 1555 nm using a measurement setup containing an erbium-doped fiber amplifier (EDFA) in the Brillouin pump path. The Brillouin peak power and linewidth are clearly dependent on the pump wavelength, the trends of which correspond well with the wavelength dependence of the EDFA gain. This result suggests that we need to consider the unique wavelength dependence of the EDFA gain to practically obtain a higher Brillouin peak power and narrower linewidth at the telecommunication wavelength.

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© 2016 by The Institute of Electronics, Information and Communication Engineers
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