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Field experiment of all-optical WDM ring network up to 70-Gb/s capacity employing 198-km installed dispersion shifted fiber

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6 Author(s)
Fukui, M. ; NTT Opt. Network Syst. Labs., Yokosuka, Japan ; Oda, K. ; Shimano, K. ; Umeda, A.
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This paper presents a successful field experiment of an 8-wavelength WDM ring network with all-optical ADM nodes using a regional fiber cable loop in Japan. The effect of laser frequency misalignment is also presented. In this paper we report bit-rate upgradability ( 8-Gb/s to 70 Gb/s) of the above field test network system. In addition, the frequency detuning tolerance of the high bit-rate lightwave signals with the cascaded optical add drop multiplexer (OADM) nodes in a field enviroment is also measured and discussed.

Published in:

Optical Communication, 1996. ECOC '96. 22nd European Conference on  (Volume:5 )

Date of Conference:

19-19 Sept. 1996