Title :
Improving spectral efficiency by ultranarrow optical filtering to achieve multiterabit/s capacities
Author_Institution :
Alcatel Res. & Innovation, Marcoussis, France
Abstract :
We have illustrated the potential of spectral reshaping using optical filters narrower than the channel bandwidth for 40 Gbit/s WDM systems. Whether used at the transmitter side or at the receiver side (or both), filters can provide a reduction of the reduction of cross-talk, making possible larger spectral efficiencies.
Keywords :
forward error correction; optical crosstalk; optical fibre networks; optical filters; optical receivers; optical transmitters; telecommunication channels; wavelength division multiplexing; 40 Gbit/s; Gbit/s WDM systems; channel bandwidth; cross-talk reduction; multiterabit/s capacities; optical filters; receiver side; spectral efficiencies; spectral efficiency; spectral reshaping; transmitter side; ultranarrow optical filtering; Channel spacing; Filtering; Nonlinear filters; Optical filters; Optical pulses; Optical receivers; Phase modulation; Robustness; Shape; System performance;
Conference_Titel :
Optical Fiber Communication Conference and Exhibit, 2002. OFC 2002
Print_ISBN :
1-55752-701-6
DOI :
10.1109/OFC.2002.1036417
