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AN OPTICAL RETRIEVAL SYSTEM, DATA STORAGE SYSTEM, DATA STORAGE MEDIUM AND METHOD OF OPTICAL RETRIEVAL AND DATA STORAGE

Research output: Patent

Published

  • KAISHA KABUSHIKI (Inventor)
  • Zhillang Yuan (Inventor)
  • Robert Young (Inventor)
  • Andrew J. Shields (Inventor)
  • R. Mark Stevenson (Inventor)
Publication date31/12/2008
Patent numberWO/2009/001105
IPCPCT/GB2008/002236
Original languageEnglish

Abstract

An optical data retrieval system configured to retrieve data from a data storage medium, the system comprising: a source of n path-entangled photons, where n is an integer of at least 2; a detector system configured to determine if n photons have been received; and means to direct photons from said source to said data storage medium and to said detector system.