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

19 November 1987

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 23 (24) , 1291-1293
https://doi.org/10.1049/el:19870894

Abstract

Crosstalk penalties as a function of channel spacing were measured in a two-channel ASK heterodyne system using 1·55μm 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

1.55 MICRON
DFB LASERS
SEMICONDUCTOR LASER
TWO-CHANNEL ASK HETERODYNE DETECTION SYSTEM
CROSSTALK PENALTY
IF DOMAIN
CHANNEL SPACING
NONNEGLIGIBLE LASER LINEWIDTH
OPTICAL FIBRE COMMUNICATION
DEMODULATION

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