Abstract
Beat-note power spectral density (PSD) of a dispersive semiconductor
laser field in the delayed self-heterodyne test is derived by combining the
effect of fiber's chromatic dispersion with differential time delay, taking
laser's intensity noise (IN) into account, and assuming standard
single-mode fiber (SSMF) as an optical channel. This generalized PSD, as it
is proven, has asymmetric spectrum due to the high correlation between the
dispersive phase noise and the induced IN that is introduced due to channel
response. This paper expands our knowledge of the interaction between laser
fields with optical channel as well as improving penalty analyses in pilot-aided
multicarrier systems such as optical OFDM.
© 2012 IEEE
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