Optical waveguides – With optical coupler – Plural
Reexamination Certificate
2006-05-02
2006-05-02
Font, Frank G. (Department: 2883)
Optical waveguides
With optical coupler
Plural
C398S042000, C398S043000, C398S069000, C398S079000, C398S082000
Reexamination Certificate
active
07039270
ABSTRACT:
A device wavelength division multiplex optical transmission system has the wavelengths of the optical carriers arranged so as to reduce the effect of in-band crosstalk which results from unwanted side bands to the carriers. Possible wavelengths are placed on an equally spaced wavelength grid, and the transmitted channels are organized into groups of three each of which is placed on four adjacent grid positions, one of which is unused. Adjacent groups are spaced apart by two or more vacant grid positions.
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Bogoni Antonella
Poti Luca
Font Frank G.
Kalivoda Christopher M.
Kirschstein et al.
Marconi Communications S.p.A.
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