Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2005-04-12
2005-04-12
Fureman, Jared J. (Department: 2876)
Optical waveguides
With optical coupler
Input/output coupler
C385S027000, C385S123000, C398S081000
Reexamination Certificate
active
06879755
ABSTRACT:
A dispersion compensator for the compensation of chromatic dispersion in a multi-channel light signal is provided. The compensator includes a pair of optical structures each having a waveguide and a Bragg grating provided therein. The Bragg grating has a plurality of grating components, each associated with one or a few of the channels to be compensated. An optical assembly propagates the light signal sequentially through both optical structures. The periods of the grating components are selected to allow compensation of chromatic dispersion experienced by this particular channel or these particular channels, thereby taking into account the dispersion slope of the light signal. Tuning means are also provided in order to adjust the dispersion of the grating components of each optical structures, and proper selection of the tuning parameters allows tuning independently both the dispersion and dispersion slope.
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LaChance Richard
Lelièvre Sylviane
Morin Michel
Painchaud Yves
Darby & Darby
Fureman Jared J.
Teraxion Inc.
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