Optical waveguides – Integrated optical circuit
Reexamination Certificate
2006-10-17
2006-10-17
Connelly-Cushwa, Michelle (Department: 2874)
Optical waveguides
Integrated optical circuit
C385S024000, C385S037000
Reexamination Certificate
active
07123786
ABSTRACT:
An optical-to-electrical-to-optical converter comprises a monolithic receiver photonic integrated circuit (RxPIC) InP-based chip comprising an optical waveguide formed in the chip from a chip input to receive a first multiplexed channel signal from an optical link and provide them to an arrayed waveguide grating (AWG) which demultiplexes the multiplexed channel signals and provides a plurality of electrical channel signals to an electronic regenerator. The regenerator regenerates the electrical channel signals to an original signal waveform and provides the reformed electrical signals to a monolithic transmitter photonic integrated circuit (TxPIC) InP-based chip having an array of modulated sources formed in the chip that are coupled as inputs to an arrayed waveguide grating (AWG). The TxPIC modulates the reformed electrical signals to form a plurality of optical channel sign which are combined to form a second first multiplexed channel signal for transmission on an optical link.
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Chiang Ting-Kuang
Dominic Vincent G.
Joyner Charles H.
Kish, Jr. Fred A.
Mathur Atul
Carothers, Jr. W. Douglas
Connelly-Cushwa Michelle
Infinera Corporation
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