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Simple zero dispersion detection technique using alternating chirp signal in automatic dispersion equalisation system

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5 Author(s)
Kuwahara, S. ; NTT Network Innovation Labs., Kanagawa, Japan ; Sano, A. ; Yonenaga, K. ; Miyamoto, Y.
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Zero dispersion in installed fibres can be detected by using an alternating chirp signal, which has alternate optical frequency shifts. In a test of this novel simple technique using a signal modulated at 10 GHz, zero dispersion was detected in the range -600 to 600 ps/nm

Published in:

Electronics Letters  (Volume:35 ,  Issue: 7 )