Abstract
The crosstalk penalty on the performance of optical satellite networks
with wavelength-division-multiplexing (WDM) architectures is analyzed and
quantified. The crosstalk is generated due to imperfection of the wavelength
filtering devices at the wavelength router onboard a satellite node, when
several optical WDM intersatellite links (ISLs) arrived and their channels
are recombined though demultiplexer/multiplexer pairs, then they are
transited. The Doppler wavelength shift is introduced to the ISLs. It causes
the fluctuation to the system power penalty. The worst case of the system
power penalty is used to analyze satellite networks with multihop ISLs, and
crosstalk specification of wavelength filtering devices is given for the
different number of multihop ISLs. This work contributes heuristically to
the design of constellation networking with WDM Laser ISLs
architectures.
© 2010 IEEE
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