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Conference on Lasers and Electro-Optics

A quantum random number generator based on photon number resolving detection of successive photon pulses

Min Ren, E Wu, Yan Liang, Guang Wu, Heping Zeng

Published Jan 1, 2012• 0 citations
Publisher

Abstract

We demonstrated a quantum random number generator based on the inherent randomness of photon number distributed in individual pulses, measured by using a silicon multi-pixel photon counter. The random bit generation efficiency reached over 40%.
DOI
10.1364/cleo_at.2012.jw4a.99

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We demonstrate quantum random number generation based on a photon-number detection scheme with the use of a silicon photomultiplier. We implement a time integral with detector response signals for resolving photon numbers, which are subsequently digitized into a stream of 4-bit sequences with a generation rate of 13.6 Mbit/s. Our generated random bits pass the statistical randomness validation according to the U.S. National Institute of Standards and Technology (NIST) Special Publication 800-22. This scheme is implementable with inexpensive components, and the system can be miniaturized to the size of a plug-and-play portable cryptographic device.
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