WO2005034032A3 - Detecting one or more photons from their interactions with probe photons in a matter system - Google Patents

Detecting one or more photons from their interactions with probe photons in a matter system Download PDF

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Publication number
WO2005034032A3
WO2005034032A3 PCT/US2004/032013 US2004032013W WO2005034032A3 WO 2005034032 A3 WO2005034032 A3 WO 2005034032A3 US 2004032013 W US2004032013 W US 2004032013W WO 2005034032 A3 WO2005034032 A3 WO 2005034032A3
Authority
WO
WIPO (PCT)
Prior art keywords
photons
energy level
matter system
detecting
interactions
Prior art date
Application number
PCT/US2004/032013
Other languages
French (fr)
Other versions
WO2005034032A2 (en
Inventor
Raymond G Beausoleil
William J Munro
Timothy P Spiller
Kae Nemoto
Sean D Barrett
Original Assignee
Hewlett Packard Development Co
Raymond G Beausoleil
William J Munro
Timothy P Spiller
Kae Nemoto
Sean D Barrett
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Development Co, Raymond G Beausoleil, William J Munro, Timothy P Spiller, Kae Nemoto, Sean D Barrett filed Critical Hewlett Packard Development Co
Priority to EP04789267A priority Critical patent/EP1668573A2/en
Priority to JP2006534063A priority patent/JP2007507717A/en
Publication of WO2005034032A2 publication Critical patent/WO2005034032A2/en
Publication of WO2005034032A3 publication Critical patent/WO2005034032A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N10/00—Quantum computing, i.e. information processing based on quantum-mechanical phenomena
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic

Abstract

A device capable of efficiently detecting a single-photon signal includes a matter system (112), sources (114 and 610) of a first beam and a second beam, and a measurement (420) system. The matter system (112) has a first energy level and a second energy level such that a signal photon couples to a transition between the first energy level and the second energy level. The first beam contains photons that couple to a transition between the second energy level and a third energy level of the matter system (112), and the second beam contains photons that couple to a transition between the third energy level and a fourth energy level of the matter system (112). The measurement system (420) measures a change in the first or second beam to detect the absence, the presence, or the number of the photons in the signal.
PCT/US2004/032013 2003-10-03 2004-09-28 Detecting one or more photons from their interactions with probe photons in a matter system WO2005034032A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04789267A EP1668573A2 (en) 2003-10-03 2004-09-28 Detecting one or more photons from their interactions with probe photons in a matter system
JP2006534063A JP2007507717A (en) 2003-10-03 2004-09-28 Apparatus or method for detecting one or more photons from the interaction of one or more photons with a probe photon in a matter system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/678,437 US7002133B2 (en) 2003-04-11 2003-10-03 Detecting one or more photons from their interactions with probe photons in a matter system
US10/678,437 2003-10-03

Publications (2)

Publication Number Publication Date
WO2005034032A2 WO2005034032A2 (en) 2005-04-14
WO2005034032A3 true WO2005034032A3 (en) 2005-08-18

Family

ID=34422147

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/032013 WO2005034032A2 (en) 2003-10-03 2004-09-28 Detecting one or more photons from their interactions with probe photons in a matter system

Country Status (4)

Country Link
US (1) US7002133B2 (en)
EP (1) EP1668573A2 (en)
JP (1) JP2007507717A (en)
WO (1) WO2005034032A2 (en)

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Also Published As

Publication number Publication date
US7002133B2 (en) 2006-02-21
JP2007507717A (en) 2007-03-29
US20040200950A1 (en) 2004-10-14
EP1668573A2 (en) 2006-06-14
WO2005034032A2 (en) 2005-04-14

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