Title :
Crosstalk penalty in a two-channel ASK heterodyne detection system with non-negligible laser line width
Author :
Park, Y.K. ; Granlund, S.W. ; Kuo, C.Y. ; Dixon, Matthew ; Cline, T.W. ; Smith, R.W. ; Dutta, N.K. ; Vannucci, G.
Author_Institution :
AT&T Bell Laboratories, Allentown, USA
Abstract :
Crosstalk penalties as a function of channel spacing were measured in a two-channel ASK heterodyne system using 1·55¿m DFB lasers. For an IF linewidth/bit rate ratio of 0.5, the channel spacing in the IF domain must be greater than 13 times the bit rate for negligible crosstalk penalty.
Keywords :
amplitude modulation; crosstalk; demodulation; intermodulation; optical communication; optical fibres; 1.55 micron; DFB lasers; IF domain; channel spacing; crosstalk penalty; demodulation; nonnegligible laser linewidth; optical fibre communication; semiconductor laser; two-channel ASK heterodyne detection system;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870894
