METHOD AND APPARATUS FOR REDUCING CROSSTALK IN A DWDM TRANSMISSION SYSTEM

摘要

A method and apparatus is provided for transmitting a WDM optical signal. Themethod begins by modulating aplurality of optical channels that are each located at a different wavelengthfrom one another with a respective one of a plurality ofinformation-bearing electrical signals The channel spacings between adjacentones of the plurality of optical channels are selectedsuch that the optical channels give rise to selected FWM terms that lieoutside a channel bandwidth of the optical channels. Each ofthe modulated optical channels is multiplexed to form a WDM optical signal.The WDM optical signal is then forwarded onto anoptical transmission path.