Title :
Effect of fibre dispersion on four-wave mixing in multichannel coherent optical transmission system
Author :
Walker, Geoffrey R. ; Spirit, D.M. ; Chidgey, P.J. ; Bryant, E.G.
Author_Institution :
BT Labs., Ipswich, UK
fDate :
5/21/1992 12:00:00 AM
Abstract :
Severe bit error rate degradations and strong error rate floors caused by fibre four-wave mixing (FWM) in a high launch power, seven channel, coherent optical transmission system are reported. The critical influence of fibre chronic dispersion is highlighted, with a negligible penalty after transmission over conventional step index fibre, even for a launch power of +17 dBm. Several orders of FWM products are visible in the optical spectra for dispersion shifted fibre.
Keywords :
frequency division multiplexing; multiwave mixing; optical dispersion; optical fibres; optical links; FWM; FWM products; bit error rate degradations; coherent optical transmission; dispersion shifted fibre; error rate floors; fibre chronic dispersion; fibre dispersion; four-wave mixing; high launch power; multichannel optical transmission; optical frequency division multiplexing; optical spectra; step index fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19920629
