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1. WO2009091069 - QUANTUM INFORMATION SYSTEM

Publication Number WO/2009/091069
Publication Date 23.07.2009
International Application No. PCT/JP2009/050788
International Filing Date 14.01.2009
IPC
G06N 99/00 2010.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
99Subject matter not provided for in other groups of this subclass
CPC
B82Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
10Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
G06N 10/00
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
NCOMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
10Quantum computers, i.e. computer systems based on quantum-mechanical phenomena
H04B 10/70
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
70Photonic quantum communication
H04B 10/90
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
90Non-optical transmission systems, e.g. transmission systems employing non-photonic corpuscular radiation
H04L 9/0852
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
08Key distribution ; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
0852Quantum cryptography
H04L 9/0858
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
08Key distribution ; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
0852Quantum cryptography
0858Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
Applicants
  • KABUSHIKI KAISHA TOSHIBA [JP]/[JP] (AllExceptUS)
  • STEVENSON, Mark, Richard (UsOnly)
  • BENNETT, Anthony, John (UsOnly)
  • YOUNG, Robert (UsOnly)
  • SHIELDS, Andrew, James (UsOnly)
Inventors
  • STEVENSON, Mark, Richard
  • BENNETT, Anthony, John
  • YOUNG, Robert
  • SHIELDS, Andrew, James
Agents
  • SUZUYE, Takehiko
Priority Data
0800575.314.01.2008GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) QUANTUM INFORMATION SYSTEM
(FR) SYSTÈME D'INFORMATION QUANTIQUE
Abstract
(EN)
A quantum information system comprising a source of time dependent entangled photons, and timing means configured to indicate the entangled state of the entangled photons based on the emission time of one or more of the entangled photons.
(FR)
La présente invention concerne un système d'information quantique comprenant une source de photons intriqués dépendant du temps, ainsi que des moyens de temporisation conçus pour indiquer l'état intriqué des photons intriqués sur la base du moment d'émission d'un ou de plusieurs des photons intriqués.
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