Patent · US Expired

Computer backplane employing free space optical interconnect

US6452700B1 · kind B1 · utility

17Cited by
36References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 2001
Grant dateSep 17, 2002
Priority date—
Expiry dateJun 19, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B10/801
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Provided is an optical backplane interconnect system, one embodiment of which features transceiver subsystems employing holographic optical elements (HOEs) that define, and discriminate between, differing optical channels of communication. The HOEs employ a holograph transform to concurrently refract and filter optical energy to remove optical energy having unwanted characteristics. To that end, the transceiver subsystem is mounted to an expansion card and includes a source of optical energy and an optical detector. The HOE need not be mounted to the expansion card. In one embodiment, however, the HOE is mounted to the expansion card and in optical communication with either the source of optical energy, the optical detector or both.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.