DK3572870T3 - Fremgangsmåde for sammenfiltret photonfordeling med rumopdelt de-multiplexning - Google Patents

Fremgangsmåde for sammenfiltret photonfordeling med rumopdelt de-multiplexning Download PDF

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Publication number
DK3572870T3
DK3572870T3 DK19176175.8T DK19176175T DK3572870T3 DK 3572870 T3 DK3572870 T3 DK 3572870T3 DK 19176175 T DK19176175 T DK 19176175T DK 3572870 T3 DK3572870 T3 DK 3572870T3
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DK
Denmark
Prior art keywords
multiplexing
entangled photon
spatially divided
photon distribution
distribution
Prior art date
Application number
DK19176175.8T
Other languages
English (en)
Inventor
Fabian Steinlechner
Original Assignee
Oesterreichische Akademie Der Wss
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 Oesterreichische Akademie Der Wss filed Critical Oesterreichische Akademie Der Wss
Application granted granted Critical
Publication of DK3572870T3 publication Critical patent/DK3572870T3/da

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852Quantum cryptography
    • H04L9/0855Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/35Non-linear optics
    • G02F1/39Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852Quantum cryptography
    • H04L9/0858Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DK19176175.8T 2018-05-24 2019-05-23 Fremgangsmåde for sammenfiltret photonfordeling med rumopdelt de-multiplexning DK3572870T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18174171 2018-05-24

Publications (1)

Publication Number Publication Date
DK3572870T3 true DK3572870T3 (da) 2022-04-19

Family

ID=62386053

Family Applications (1)

Application Number Title Priority Date Filing Date
DK19176175.8T DK3572870T3 (da) 2018-05-24 2019-05-23 Fremgangsmåde for sammenfiltret photonfordeling med rumopdelt de-multiplexning

Country Status (2)

Country Link
EP (1) EP3572870B1 (da)
DK (1) DK3572870T3 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000005521A1 (it) * 2020-03-16 2021-09-16 Univ Degli Studi Di Trento Apparato di produzione di fotoni comprendenti stati di singolo fotone in correlazione quantistica.
EP3978996A1 (en) * 2020-09-30 2022-04-06 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Optical transmission system
EP4002723A1 (en) * 2020-11-19 2022-05-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optical free-space communication
FR3130408B1 (fr) 2021-12-10 2024-03-15 Airbus Defence & Space Sas Ensemble d'emission de photons intriques en champ libre
CN114755870B (zh) * 2022-03-30 2023-04-07 电子科技大学 一种频率片纠缠双光子源

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19823849B4 (de) * 1998-05-28 2004-09-16 Deutsche Telekom Ag Verfahren und Vorrichtung zur Erzeugung von wahlweise Einzelphotonen oder Photonenpaaren in mindestens einem von zwei optischen Kanälen
US9294191B2 (en) * 2012-10-04 2016-03-22 Vencore Labs, Inc. Method to mitigate propagation loss in waveguide transmission of quantum states
CA2983035C (en) * 2015-04-20 2023-09-05 Institut National De La Recherche Scientifique Method and system for the generation of optical multipartite quantum states
WO2017062501A1 (en) * 2015-10-05 2017-04-13 Qubitekk, Inc. Tunable source bi-photons

Also Published As

Publication number Publication date
EP3572870B1 (en) 2022-01-26
EP3572870A1 (en) 2019-11-27

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