Quantum random number generator

Pooser, Raphael C.

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Title: Quantum random number generator

Abstract

A quantum random number generator (QRNG) and a photon generator for a QRNG are provided. The photon generator may be operated in a spontaneous mode below a lasing threshold to emit photons. Photons emitted from the photon generator may have at least one random characteristic, which may be monitored by the QRNG to generate a random number. In one embodiment, the photon generator may include a photon emitter and an amplifier coupled to the photon emitter. The amplifier may enable the photon generator to be used in the QRNG without introducing significant bias in the random number and may enable multiplexing of multiple random numbers. The amplifier may also desensitize the photon generator to fluctuations in power supplied thereto while operating in the spontaneous mode. In one embodiment, the photon emitter and amplifier may be a tapered diode amplifier.

Inventors:: Pooser, Raphael C.

Issue Date:: 2016-05-10

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1252208

Patent Number(s):: 9335973

Application Number:: 14/147,131

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

Patent Classifications (CPCs):: G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING

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G - PHYSICS G06 - COMPUTING G06F - ELECTRIC DIGITAL DATA PROCESSING
G06F7/588 - {Random number generators, i.e. based on natural stochastic processes}

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DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 Jan 03

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 97 MATHEMATICS AND COMPUTING

Citation Formats


                    Pooser, Raphael C. Quantum random number generator.  United States: N. p., 2016. 
        Web.

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                    Pooser, Raphael C. Quantum random number generator.  United States.

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                    Pooser, Raphael C. Tue .  
        "Quantum random number generator".  United States.  https://www.osti.gov/servlets/purl/1252208.

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@article{osti_1252208,

  title        = {Quantum random number generator},

  author       = {Pooser, Raphael C.},

  abstractNote = {A quantum random number generator (QRNG) and a photon generator for a QRNG are provided. The photon generator may be operated in a spontaneous mode below a lasing threshold to emit photons. Photons emitted from the photon generator may have at least one random characteristic, which may be monitored by the QRNG to generate a random number. In one embodiment, the photon generator may include a photon emitter and an amplifier coupled to the photon emitter. The amplifier may enable the photon generator to be used in the QRNG without introducing significant bias in the random number and may enable multiplexing of multiple random numbers. The amplifier may also desensitize the photon generator to fluctuations in power supplied thereto while operating in the spontaneous mode. In one embodiment, the photon emitter and amplifier may be a tapered diode amplifier.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {5}

}

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Works referenced in this record:

Optical quantum random number generator
journal, March 2000

Stefanov, André; Gisin, Nicolas; Guinnard, Olivier
Journal of Modern Optics, Vol. 47, Issue 4
https://doi.org/10.1080/09500340008233380

A fast and compact quantum random number generator
journal, April 2000

Jennewein, Thomas; Achleitner, Ulrich; Weihs, Gregor
Review of Scientific Instruments, Vol. 71, Issue 4
https://doi.org/10.1063/1.1150518

Quantum Random-number Generation and Key Sharing
journal, December 1994

Rarity, J. G.; Owens, P. C. M.; Tapster, P. R.
Journal of Modern Optics, Vol. 41, Issue 12
https://doi.org/10.1080/09500349414552281