Optical waveguides – With optical coupler – Particular coupling function
Reexamination Certificate
2005-07-26
2005-07-26
Font, Frank G. (Department: 2883)
Optical waveguides
With optical coupler
Particular coupling function
C385S031000, C385S123000, C385S124000, C385S126000, C385S125000, C359S341100, C359S341300, C359S341310
Reexamination Certificate
active
06922503
ABSTRACT:
An optical module comprises a multiplexer for combining a signal and a pump radiation and having an output coupled to an optical fiber and a signal over the optical fiber with the pump lightwave that has a frequency three times of that of the signal and phase index equal to that of the signal. Phase matching between the pump and signal is realized for example by employing a microstructured optical fiber as the optical fiber.
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El-Shammaa Mary
Font Frank G.
McDermott Will & Emery LLP
Sumitomo Electric Industries Ltd.
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