Quantum random number generators

Nordholt, Jane Elizabeth; Hughes, Richard John; Newell, Raymond Thorson; Peterson, Charles Glen

Title: Quantum random number generators

Patent · Tue Feb 18 00:00:00 EST 2020

OSTI ID:1632573

Nordholt, Jane Elizabeth; Hughes, Richard John; Newell, Raymond Thorson; Peterson, Charles Glen

Random number generators include a thermal optical source and detector configured to produce random numbers based on quantum-optical intensity fluctuations. An optical flux is detected, and signals proportional to optical intensity and a delayed optical intensity are combined. The combined signals can be electrical signals or optical signals, and the optical source is selected so as to have low coherence over a predetermined range of delay times. Balanced optical detectors can be used to reduce common mode noise, and in some examples, the optical flux is directed to only one of a pair of balanced detectors.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC52-06NA25396

Assignee:: Triad National Security, LLC (Los Alamos, NM)

Patent Number(s):: 10,564,933

Application Number:: 15/884,871

OSTI ID:: 1632573

Resource Relation:: Patent File Date: 01/31/2018

Country of Publication:: United States

Language:: English

References (28)

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