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Optoelectronic-interconnections-for-integrated-circuits

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Optoelectronic interconnections for integrated circuits

Details

Inventors: Hammer, Jacob M.;
Assignee: David Sarnoff Research Center, Inc. (Princeton, NJ)
Primary Examiner: Jackson, Jr.; Jerome
Assistant Examiner:
Attorney, Agent or Firm: Burke; W. J.

The optoelectronic interconnection of the present invention provides a means for interconnecting a plurality of integrated circuits and each having at least one termination. The termination includes a transmitting section and a receiving section. Each transmitting section includes means for converting an output electrical signal from the integrated circuit to an optical signal in the form of a beam and an output grating for emitting the optical beam from the integrated circuit. Each receiving section includes an input grating for receiving an input optical signal in the form of a beam, means for amplifying the optical signal and a photodetector for converting the optical signal to an electrical signal which is fed to the circuit. The integrated circuits may be mounted adjacent each other with the output signals being emitting from the integrated circuits in the same direction. A reflector is mounted over the integrated circuits to reflect an output signal beam from the transmitting section of one integrated circuit to the receiving section of another integrated circuit. Each of the transmitting sections is capable of varying the angle at which the output signal beam is emitted therefrom so as to varying the integrated circuit to which the beam is reflected.

DETAILED DESCRIPTION The present invention relates to an integrated circuit which includes a body of a semiconductor material having electrical components therein and electrically connected in a desired electrical circuit.
On the body is a transmitting section having means for converting an output signal of the electrical circuit into an output optical signal and means for directing the optical output signal from the body.
Also on the body is a receiving section having means for receiving an input optical signal and converting it to an input signal which is fed to the electrical circuit.

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