Optical communications – Multiplex – Polarization
Reexamination Certificate
2011-01-04
2011-01-04
Vanderpuye, Ken N (Department: 2613)
Optical communications
Multiplex
Polarization
C398S184000, C398S152000, C398S205000, C398S079000, C359S199200, C359S199200
Reexamination Certificate
active
07865080
ABSTRACT:
In order to reduce mutual interferences between POLMUX and signals, the signals are transmitted with differed to each other carrying signals, thereby making it possible to obtain the circular polarization of each resulting POLMUX signal. Each second POLMUX signal is transmissible with an opposite circular polarization. In order to reduce also interferences when only one modulated data signal is transmitted through a POLMUX channel, a polarization plane of modulated data signals of each second POLMUX channel is turned at 45°. In a variant, polarization multiplex signals are produces and the resulting polarizations thereof in adjacent channels are perpendicular to each other.
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English Translation of Satoshi.
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Hecker Nancy
Paetsch Werner
van den Borne Dirk
Greenberg Laurence A.
Jacob Oommen
Locher Ralph E.
Nokia Siemens Networks GmbH & Co. KG
Stemer Werner H.
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