Optical waveguides – Integrated optical circuit
Reexamination Certificate
2006-12-26
2006-12-26
Connelly-Cushwa, Michelle (Department: 2874)
Optical waveguides
Integrated optical circuit
C385S024000, C398S162000, C398S164000, C398S195000
Reexamination Certificate
active
07155078
ABSTRACT:
An optical transmitter photonic integrated circuit (TxPIC) comprises a semiconductor monolithic chip with a plurality of optical signal channels where each channel comprises a modulated signal source. The output from the modulated signal sources are coupled to an input of an integrated optical combiner to form a WDM output signal for transmission off the TxPIC chip to an optical transmission link. An optical service channel (OSC) is also integrated on the TxPIC chip to receive a service signal from the optical receiver source which is also coupled the optical transmission link.
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Chiang Ting-Kuang
Dominic Vincent G.
Kish, Jr. Fred A.
Nagarajan Radhakrishnan L.
Welch David F.
Carothers, Jr. W. Douglas
Connelly-Cushwa Michelle
Infinera Corporation
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