Continuous variable quantum secret sharing

Grice, Warren P. P.; Qi, Bing

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Title: Continuous variable quantum secret sharing

Abstract

Continuous variable quantum secret sharing (CV-QSS) technologies are described that use laser sources and homodyne detectors. Here, a Gaussian-modulated coherent state (GMCS) prepared by one device passes through secure stations of other devices sequentially on its way to a trusted device, and each of the other devices coherently adds a locally prepared, independent GMCS to the group of propagating GMCSs. Finally, the trusted device measures both the amplitude and the phase quadratures of the received group of coherent GMCSs using double homodyne detectors. The trusted device suitably uses the measurement results to establish a secure key for encoding secret messages to be broadcast to the other devices. The devices cooperatively estimate, based on signals corresponding to their respective Gaussian modulations, the trusted device's secure key, so that the cooperative devices can decode the broadcast secret messages with the secure key.

Inventors:: Grice, Warren P. P.; Qi, Bing

Issue Date:: 2022-08-09

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1924979

Patent Number(s):: 11411724

Application Number:: 16/944,390

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

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H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L9/001 - {using chaotic signals}
H04L9/0858 - {Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding}

Show less

DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 07/31/2020

Country of Publication:: United States

Language:: English

Subject:: 97 MATHEMATICS AND COMPUTING

Citation Formats


                    Grice, Warren P. P., and Qi, Bing. Continuous variable quantum secret sharing.  United States: N. p., 2022. 
        Web.

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                    Grice, Warren P. P., & Qi, Bing. Continuous variable quantum secret sharing.  United States.

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                    Grice, Warren P. P., and Qi, Bing. Tue .  
        "Continuous variable quantum secret sharing".  United States.  https://www.osti.gov/servlets/purl/1924979.

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@article{osti_1924979,

  title        = {Continuous variable quantum secret sharing},

  author       = {Grice, Warren P. P. and Qi, Bing},

  abstractNote = {Continuous variable quantum secret sharing (CV-QSS) technologies are described that use laser sources and homodyne detectors. Here, a Gaussian-modulated coherent state (GMCS) prepared by one device passes through secure stations of other devices sequentially on its way to a trusted device, and each of the other devices coherently adds a locally prepared, independent GMCS to the group of propagating GMCSs. Finally, the trusted device measures both the amplitude and the phase quadratures of the received group of coherent GMCSs using double homodyne detectors. The trusted device suitably uses the measurement results to establish a secure key for encoding secret messages to be broadcast to the other devices. The devices cooperatively estimate, based on signals corresponding to their respective Gaussian modulations, the trusted device's secure key, so that the cooperative devices can decode the broadcast secret messages with the secure key.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2022},

  month        = {8}

}

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Works referenced in this record:

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journal, October 2013

Lau, Hoi-Kwan; Weedbrook, Christian
Physical Review A, Vol. 88, Issue 4
https://doi.org/10.1103/PhysRevA.88.042313

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Polarization tracking system for free-space optical communication, including quantum communication
patent, January 2018

Nordholt, Jane Elizabeth; Newell, Raymond Thorson; Peterson, Charles Glen
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Quantum random number generator
patent, March 2020

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Continuous variable (2, 3) threshold quantum secret sharing schemes
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Experimental Single Qubit Quantum Secret Sharing
journal, December 2005

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Physical Review Letters, Vol. 95, Issue 23
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Quantum secret sharing using weak coherent states
journal, August 2019

Grice, Warren P.; Qi, Bing
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An integrated quantum secure communication system
journal, December 2011

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patent-application, August 2014

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Similar Records

Title: Continuous variable quantum secret sharing

Abstract

Citation Formats

Quantum secret sharing with continuous-variable cluster states journal, October 2013

Systems and methods for implementing routing protocols and algorithms for quantum cryptographic key transport patent, April 2010

Quantum communication network patent-application, December 2019

Multi-Factor Authentication Using Quantum Communication patent-application, August 2015

Key distribution center for quantum cryptographic key distribution networks patent, November 2008

Reconciliation of a Quantum-Distributed Gaussian Key journal, February 2004

How to share a continuous-variable quantum secret by optical interferometry journal, April 2002

Polarization tracking system for free-space optical communication, including quantum communication patent, January 2018

Quantum random number generator patent, March 2020

Continuous variable (2, 3) threshold quantum secret sharing schemes journal, January 2003

Experimental Single Qubit Quantum Secret Sharing journal, December 2005

Quantum secret sharing using weak coherent states journal, August 2019

An integrated quantum secure communication system journal, December 2011

Method for Adding Nodes to a Quantum Key Distribution System patent-application, August 2014

Systems and methods for reserving cryptographic key material patent, April 2009

One-Dimensional Modulation Continuous-Variable Quantum Key Distribution Method patent-application, October 2018

Quantum Key Distribution System patent-application, August 2012

Quantum Self-Authenticating Timing System patent-application, December 2018

Pilot-aided feedforward data recovery in optical coherent communications patent, September 2017

Quantum Key Distribution Using a Thermal Source patent-application, May 2020

Efficient sharing of a continuous-variable quantum secret journal, June 2003

Quantum secret sharing with continuous-variable cluster states
journal, October 2013

Systems and methods for implementing routing protocols and algorithms for quantum cryptographic key transport
patent, April 2010

Quantum communication network
patent-application, December 2019

Multi-Factor Authentication Using Quantum Communication
patent-application, August 2015

Key distribution center for quantum cryptographic key distribution networks
patent, November 2008

Reconciliation of a Quantum-Distributed Gaussian Key
journal, February 2004

How to share a continuous-variable quantum secret by optical interferometry
journal, April 2002

Polarization tracking system for free-space optical communication, including quantum communication
patent, January 2018

Quantum random number generator
patent, March 2020

Continuous variable (2, 3) threshold quantum secret sharing schemes
journal, January 2003

Experimental Single Qubit Quantum Secret Sharing
journal, December 2005

Quantum secret sharing using weak coherent states
journal, August 2019

An integrated quantum secure communication system
journal, December 2011

Method for Adding Nodes to a Quantum Key Distribution System
patent-application, August 2014

Systems and methods for reserving cryptographic key material
patent, April 2009

One-Dimensional Modulation Continuous-Variable Quantum Key Distribution Method
patent-application, October 2018

Quantum Key Distribution System
patent-application, August 2012

Quantum Self-Authenticating Timing System
patent-application, December 2018

Pilot-aided feedforward data recovery in optical coherent communications
patent, September 2017

Quantum Key Distribution Using a Thermal Source
patent-application, May 2020

Efficient sharing of a continuous-variable quantum secret
journal, June 2003