SG11202103360SA - A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair - Google Patents

A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair

Info

Publication number
SG11202103360SA
SG11202103360SA SG11202103360SA SG11202103360SA SG11202103360SA SG 11202103360S A SG11202103360S A SG 11202103360SA SG 11202103360S A SG11202103360S A SG 11202103360SA SG 11202103360S A SG11202103360S A SG 11202103360SA SG 11202103360S A SG11202103360S A SG 11202103360SA
Authority
SG
Singapore
Prior art keywords
photon
polarization entangled
converting position
pairs
pair
Prior art date
Application number
SG11202103360SA
Inventor
Chithrabhanu Perumangatt
Lohrmann Alexander
Alexander Ling
Original Assignee
Nat Univ Singapore
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 Nat Univ Singapore filed Critical Nat Univ Singapore
Publication of SG11202103360SA publication Critical patent/SG11202103360SA/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/3526—Non-linear optics using two-photon emission or absorption processes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/70—Photonic quantum communication

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
SG11202103360SA 2018-10-04 2019-10-04 A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair SG11202103360SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201808768Y 2018-10-04
PCT/SG2019/050500 WO2020072005A1 (en) 2018-10-04 2019-10-04 A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair

Publications (1)

Publication Number Publication Date
SG11202103360SA true SG11202103360SA (en) 2021-04-29

Family

ID=70055980

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202103360SA SG11202103360SA (en) 2018-10-04 2019-10-04 A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair

Country Status (4)

Country Link
US (1) US11586093B2 (en)
EP (1) EP3861398A4 (en)
SG (1) SG11202103360SA (en)
WO (1) WO2020072005A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3861398A4 (en) * 2018-10-04 2022-06-08 National University of Singapore A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair
AU2022212091A1 (en) * 2021-01-29 2023-08-17 Qunnect, Inc. Systems and methods for performing quantum telecommunications using a bichromatic entanglement source
CA3126975A1 (en) * 2021-08-05 2023-02-05 Com Dev Ltd. Quantum key distribution system
KR102441594B1 (en) * 2022-04-04 2022-09-06 국방과학연구소 HIGH-BRIGHTNESS QUANTUM SOURCE BASED ON MULTI-WAVELENGTH COMBINATION VIA ARRAYED TYPE-0 ppKTP CRYSTAL AND METHOD OF GENERATING ENTANGLED PHOTON PAIRS

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6424665B1 (en) * 1999-04-30 2002-07-23 The Regents Of The University Of California Ultra-bright source of polarization-entangled photons
US6677999B2 (en) 2001-07-09 2004-01-13 Hewlett-Packard Development Company, L.P. Non-polarizing LCD shutter
JP4098530B2 (en) 2002-02-01 2008-06-11 独立行政法人科学技術振興機構 Entanglement photon pair generator
US7486433B2 (en) * 2004-10-01 2009-02-03 Japan Science And Technology Agency High-luminance quantum correlation photon beam generator
WO2007102408A1 (en) * 2006-03-03 2007-09-13 Japan Science And Technology Agency Quantum entanglement photon-pair producing device and quantum entanglement photon pair producing method
US7639953B2 (en) * 2006-07-27 2009-12-29 Hewlett-Packard Development Company, L.P. Compact systems for generating polarization-entangled photons
US7570365B2 (en) 2006-09-07 2009-08-04 Magiq Technologies, Inc. Compact tunable high-efficiency entangled photon source
US7373059B2 (en) 2006-09-22 2008-05-13 Hewlett-Packard Development Company, L.P. Compact, single chip-based, entangled polarization-state photon sources and methods for generating photons in entangled polarization states
US8222623B2 (en) * 2007-03-08 2012-07-17 Qutools Gmbh Generation of quantum-correlated and/or polarization entangled photon pairs with unequal wavelengths
US7489436B1 (en) * 2007-09-11 2009-02-10 Hewlett-Packard Development Company, L.P. Hybrid integrated source of polarization-entangled photons
JP5867232B2 (en) 2012-03-29 2016-02-24 沖電気工業株式会社 Quantum entangled photon pair generator
CN103278996A (en) 2013-05-17 2013-09-04 中国科学技术大学 Sandwich type high light quantum entanglement photon source
CN104752944A (en) 2015-04-07 2015-07-01 中国科学技术大学 Narrow-line-width high-dimensionality quantum entanglement light source generating device
CN207541825U (en) * 2017-08-16 2018-06-26 安徽问天量子科技股份有限公司 It tangles source preparation and tangles source tutoring system with what Entanglement measured
WO2019139544A1 (en) * 2018-01-15 2019-07-18 National University Of Singapore Single photons source and key distribution
EP3861398A4 (en) * 2018-10-04 2022-06-08 National University of Singapore A method and system for converting position or momentum correlation of photon pairs to a polarization entangled photon pair

Also Published As

Publication number Publication date
EP3861398A4 (en) 2022-06-08
US20220206360A1 (en) 2022-06-30
EP3861398A1 (en) 2021-08-11
WO2020072005A1 (en) 2020-04-09
US11586093B2 (en) 2023-02-21

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