Novel in-service supervisory scheme for the amplified WDM link with modified optical time domain reflectometry

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We propose a novel optical supervisory system for the wavelength division multiplexing (WDM) transmission link including in-line erbium-doped fiber amplifiers (EDFA). By employing a newly proposed EDFA structure supporting bi-directional transmission at pre-determined wavelength and modified optical time domain reflectometry technique, it was possible to accurately monitor the status of transmission fiber link under in-service condition. A proof of the concept experiment with 8 channel, 320 kin WDM transmission in-service state has been successfully carried out giving a clear loss/gain/reflection profile of the link with negligible BER power penalty less than 0.3 dB. (C) 2002 Elsevier Science (USA). All rights reserved.
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Issue Date
2002-04
Language
English
Article Type
Article
Keywords

DOPED FIBER AMPLIFIERS; TRANSMISSION LINES; SYSTEM

Citation

OPTICAL FIBER TECHNOLOGY, v.8, no.2, pp.139 - 145

ISSN
1068-5200
DOI
10.1016/S1068-5200(02)00001-9
URI
http://hdl.handle.net/10203/83375
Appears in Collection
NT-Journal Papers(저널논문)
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