Title :
Upgrading of N×40 Gb/s WDM system from 100 GHz to 50 GHz channel spacing by duobinary interleaving concept with optical transversal filter
Author :
Wree, Christoph ; Bohn, M. ; Rosenkranz, Werner
Author_Institution :
Kiel Univ., Germany
Abstract :
We suggest the use of an optical transversal filter for the simultaneous duobinary encoding of several WDM-channels. An add-on concept to upgrade an existing 40 Gb/s WDM system and reduce the channel spacing from 100 to 50 GHz is proposed and investigated.
Keywords :
binary codes; optical communication equipment; optical fibre communication; optical filters; telecommunication channels; wavelength division multiplexing; 40 Gbit/s; WDM; channel spacing; duobinary encoding; duobinary interleaving; optical transversal filter; spectral efficiency; Bandwidth; Channel spacing; Fiber nonlinear optics; Frequency; Interleaved codes; Nonlinear optics; Optical filters; Optical receivers; Optical transmitters; Wavelength division multiplexing;
Conference_Titel :
Optical Communication, 2001. ECOC '01. 27th European Conference on
Print_ISBN :
0-7803-6705-7
DOI :
10.1109/ECOC.2001.989095