Optical receiver photonic integrated circuit (RxPIC) system

Details Optical receiver photonic integrated circuit (RxPIC) system Optical receiver photonic integrated circuit (RxPIC) system

2006-05-23

2006-05-23

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

Integrated optical circuit

C398S213000, C398S214000

Reexamination Certificate

active

07050666

ABSTRACT:
An optical receiver photonic integrated circuit (RxPIC) system includes a monolithic semiconductor chip having an input to receive a WDM combined channel signal comprising a plurality of optical channel signals of different wavelengths. A chip-integrated decombiner is coupled to the chip input to receive the WDM combined channel signal and separate the same into a plurality of different channel signals having different wavelengths. An array of integrated photodetectors, also integrated on the chip, each receive a separated channel signal and together provide a plurality of electrical signals representative of the optical channel signals. An electronic amplifier receives and amplifies the electrical signals. An electronic dispersion equalization (EDE) circuit is coupled to receive and adjust the amplified electrical signals for timing errors due to imperfect clock recovery of said electrical signals. An clock and data recover (CDR) circuit recovers a signal clock and data signals from the electrical signals.

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