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Crosstalk penalty in a two-channel ASK heterodyne detection system with non-negligible laser line width

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8 Author(s)
Park, Y.K. ; AT&T Bell Laboratories, Allentown, USA ; Granlund, S.W. ; Kuo, C.Y. ; Dixon, M.
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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.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 24 )