Cryptography – Communication system using cryptography – Fiber optic network
Reexamination Certificate
2007-06-26
2007-06-26
Jung, David (Department: 2134)
Cryptography
Communication system using cryptography
Fiber optic network
C380S255000, C380S040000
Reexamination Certificate
active
09551587
ABSTRACT:
The present invention relates generally to an integrated optics encryption device. The preferred embodiment of the invention is an integrated optics encryption device comprising a coherent light source connected to a multi-functional integrated optics chip (MIOC). The MIOC comprises two divergent paths with mirrored ends. The MIOC also has an encrypted message output. One path is connected to a message signal input that can alter the refractive index of the path. The other path is connected to a key signal input that can alter the refractive index of the other path.
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Bean Lawrence E.
Bean Michael L.
Goldner Eric Lee
Pavlath George A.
Jung David
Litton Systems Inc.
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