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Proceedings Paper

Quantum random number generator
Author(s): Jan Soubusta; Ondrej Haderka; Martin Hendrych
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Paper Abstract

Since reflection or transmission of a quantum particle on a beamsplitter is inherently random quantum process, a device built on this principle does not suffer from drawbacks of neither pseudo-random computer generators or classical noise sources. Nevertheless, a number of physical conditions necessary for high quality random numbers generation must be satisfied. Luckily, in quantum optics realization they can be well controlled. We present an easy random number generator based on the division of weak light pulses on a beamsplitter. The randomness of the generated bit stream is supported by passing the data through series of 15 statistical test. The device generates at a rate of 109.7 kbit/s.

Paper Details

Date Published: 7 March 2001
PDF: 7 pages
Proc. SPIE 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (7 March 2001); doi: 10.1117/12.417868
Show Author Affiliations
Jan Soubusta, Palacky Univ. and Institute of Physics (Czech Republic)
Ondrej Haderka, Palacky Univ. and Institute of Physics (Czech Republic)
Martin Hendrych, Palacky Univ. and Institute of Physics (Czech Republic)


Published in SPIE Proceedings Vol. 4356:
12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jan Perina; Miroslav Hrabovsky; Jaromir Krepelka, Editor(s)

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