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Limitations of phase noise cancellation due to time delay and filtering

: Patzak, E.; Foisel, H.-M.; Gross, R.

ECOC 90 Amsterdam. Vol.1: Regular papers : 16th European Conference on Optical Communications, September 16 - 20, 1990, International Congress Centre RAI, Europaplein, Amsterdam, the Netherlands
Amsterdam: IOS Press, 1990
ISBN: 90-5199-037-5
European Conference on Optical Communication (ECOC) <16, 1990, Amsterdam>
Conference Paper
Fraunhofer HHI ()
interference suppression; noise; optical links; if-linewidth delay-time product; optical communication; coherent subcarrier multiplexed systems; phase noise cancellation; time delay; filtering; if-filter bandwidth

Two phase noise cancellation schemes for coherent systems are analyzed. A penalty of less than 1 dB can be achieved when the conditions, IF-linewidth-delay time product Delta nu tau <0.04 and the IF-filter bandwidth BIF>10. Delta nu , are satisfied.