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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 17 — Aug. 13, 2012
  • pp: 19322–19330

All-optical quantum random bit generation from intrinsically binary phase of parametric oscillators

Alireza Marandi, Nick C. Leindecker, Konstantin L. Vodopyanov, and Robert L. Byer  »View Author Affiliations

Optics Express, Vol. 20, Issue 17, pp. 19322-19330 (2012)

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We demonstrate a novel all-optical quantum random number generator (RNG) based on above-threshold binary phase state selection in a degenerate optical parametric oscillator (OPO). Photodetection is not a part of the random process, and no post processing is required for the generated bit sequence. We show that the outcome is statistically random with 99% confidence, and verify that the randomness is due to the phase of initiating photons generated through spontaneous parametric down conversion of the pump, with negligible contribution of classical noise sources. With the use of micro- and nanoscale OPO resonators, this technique offers a promise for simple, robust, and high-speed on-chip all-optical quantum RNGs.

© 2012 OSA

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.0270) Quantum optics : Quantum optics

ToC Category:
Nonlinear Optics

Original Manuscript: June 22, 2012
Revised Manuscript: August 1, 2012
Manuscript Accepted: August 2, 2012
Published: August 8, 2012

Alireza Marandi, Nick C. Leindecker, Konstantin L. Vodopyanov, and Robert L. Byer, "All-optical quantum random bit generation from intrinsically binary phase of parametric oscillators," Opt. Express 20, 19322-19330 (2012)

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