Random numbers from vacuum fluctuations
Yicheng Shi, Brenda Chng, Christian Kurtsiefer
TL;DR
This paper presents a high-speed quantum random number generator utilizing vacuum fluctuations and homodyne detection, achieving rapid, high-quality random bit streams validated by extensive testing.
Contribution
It introduces a novel quantum random number generator based on vacuum fluctuations with a fast extraction scheme and high data rate.
Findings
Achieved a random bit rate of approximately 480 Mbit/s.
Successfully passed comprehensive randomness tests.
Demonstrated practical implementation of quantum randomness extraction.
Abstract
We implement a quantum random number generator based on a balanced homodyne measurement of vacuum fluctuations of the electromagnetic field. The digitized signal is directly processed with a fast randomness extraction scheme based on a linear feedback shift register. The random bit stream is continuously read in a computer at a rate of about 480 Mbit/s and passes an extended test suite for random numbers.
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