Optical waveguides – With optical coupler – Switch
Reexamination Certificate
2005-10-18
2005-10-18
Kim, Ellen E. (Department: 2874)
Optical waveguides
With optical coupler
Switch
C385S017000
Reexamination Certificate
active
06956985
ABSTRACT:
A semiconductor-based optical switch engine switches input light from an input switch element to an output switch element and directly couples through an optical waveguide each output of the input switch element to a respective input of the output switch element. The switch architecture reduces signal cross-talk because each signal passes through the optical switch engine using a dedicated optical path. The optical switch engine also maintains a consistent signal-to-noise ratio among all the paths through the switch and reduces the total number of switch points through which an optical signal may pass.
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Fouquet Julie E.
Lemoff Brian E.
Agilent Technologie,s Inc.
Kim Ellen E.
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