Title :
Reduction of four-wave mixing induced penalty in unequally spaced WDM transmission system by using optical DPSK
Author :
Yonenaga, K. ; Aisawa, S. ; Takachio, N. ; Iwashita, K.
Author_Institution :
NTT Opto-Electron. Labs., Kanagawa, Japan
fDate :
11/7/1996 12:00:00 AM
Abstract :
Optical DPSK signalling is employed in unequally spaced WDM transmission systems using dispersion-shifted fibres to reduce the penalty caused by four-wave mixing. More than 10 dB reduction in power penalty is achieved compared with the use of intensity modulation
Keywords :
differential phase shift keying; digital communication; error statistics; multiwave mixing; optical fibre communication; optical modulation; wavelength division multiplexing; BER; DPSK signalling; DPSK-WDM fibre-optic system; bit error rate; dispersion-shifted fibres; four-wave mixing induced penalty; optical DPSK; power penalty reduction; unequally spaced WDM transmission system;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19961429
