Real time demonstration of high bitrate quantum random number generation with coherent laser light

Details Real time demonstration of high bitrate quantum random number generation with coherent laser light Real time demonstration of high bitrate quantum random number generation with coherent laser light

2011-07-22

arxiv.org/abs/1107.4438v1

Appl. Phys. Lett. 98, 231103 (2011)

Physics

Quantum Physics

Scientific paper

10.1063/1.3597793

We present a random number generation scheme that uses broadband measurements of the vacuum field contained in the radio-frequency sidebands of a single-mode laser. Even though the measurements may contain technical noise, we show that suitable algorithms can transform the digitized photocurrents into a string of random numbers that can be made arbitrarily correlated with a subset of the quantum fluctuations (high quantum correlation regime) or arbitrarily immune to environmental fluctuations (high environmental immunity). We demonstrate up to 2 Gbps of real time random number generation that were verified using standard randomness tests.

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