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Article Dans Une Revue Optics Letters Année : 2023

Random number generation using spontaneous symmetry breaking in a Kerr resonator

Liam Quinn
  • Fonction : Auteur
Gang Xu
Yiqing Xu
Zongda Li
  • Fonction : Auteur
Stuart Murdoch
  • Fonction : Auteur
Stéphane Coen
Miro Erkintalo

Résumé

We demonstrate an all-optical random number generator based on spontaneous symmetry breaking in a coherently driven Kerr resonator. Random bit sequences are generated by repeatedly tuning a control parameter across a symmetry-breaking bifurcation that enacts random selection between two possible steady-states of the system. Experiments are performed in a fiber ring resonator, where the two symmetry-broken steady-states are associated with orthogonal polarization modes. Detrimental biases due to system asymmetries are suppressed by leveraging a recently discovered self-symmetrization phenomenon that ensures the symmetry-breaking dynamics act as an unbiased coin toss, with a genuinely random selection between the two available steady-states. We optically generate bits at a rate of 3 MHz without post-processing and verify their randomness using the National Institute of Standards and Technology and Dieharder statistical test suites.
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Dates et versions

hal-04414127 , version 1 (24-01-2024)

Identifiants

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Liam Quinn, Gang Xu, Yiqing Xu, Zongda Li, Julien Fatome, et al.. Random number generation using spontaneous symmetry breaking in a Kerr resonator. Optics Letters, 2023, 48 (14), pp.3741. ⟨10.1364/OL.493731⟩. ⟨hal-04414127⟩
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