The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2008
Filed:
Jan. 18, 2005
Brian Tyrrell, Nashua, NH (US);
Robert Reich, Tyngsborough, MA (US);
Brian Tyrrell, Nashua, NH (US);
Robert Reich, Tyngsborough, MA (US);
Massachusetts Institute of Technology, Cambridge, MA (US);
Abstract
Described are a method and a device for high speed transmission of a data signal across an electrical interconnect in an integrated circuit. An optical carrier is modulated with a local oscillator signal at a modulation frequency substantially greater than the data signal to generate an optical local oscillator signal. Phototransducers at the ends of the interconnect illuminated by the optical local oscillator signal generate electrical local oscillator signals. At the transmit end of the interconnect, the data signal is mixed with an electrical local oscillator signal to generate an upconverted data signal. After transmission across the interconnect to the receive end, the upconverted data signal is mixed with the electrical local oscillator signal to retrieve the original data signal.