A fast and compact quantum random number generator | Zendy

Thomas Jennewein | Zendy; Ulrich Achleitner | Zendy; Gregor Weihs | Zendy; Harald Weinfurter | Zendy; Anton Zeilinger | Zendy

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A fast and compact quantum random number generator

Author(s) -

Thomas Jennewein,

Ulrich Achleitner,

Gregor Weihs,

Harald Weinfurter,

Anton Zeilinger

Publication year - 2000

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.1150518

Subject(s) - beam splitter , randomness , random number generation , physics , optics , beam (structure) , photon , randomness tests , generator (circuit theory) , computer science , quantum mechanics , power (physics) , mathematics , algorithm , laser , statistics

We present the realization of a physical quantum random number generatorbased on the process of splitting a beam of photons on a beam splitter, aquantum mechanical source of true randomness. By utilizing either a beamsplitter or a polarizing beam splitter, single photon detectors and high speedelectronics the presented devices are capable of generating a binary randomsignal with an autocorrelation time of 11.8 ns and a continuous stream ofrandom numbers at a rate of 1 Mbit/s. The randomness of the generated signalsand numbers is shown by running a series of tests upon data samples. Thedevices described in this paper are built into compact housings and are simpleto operate.Comment: 23 pages, 6 Figs. To appear in Rev. Sci. Inst

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