Journal
ENTROPY
Volume 25, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/e25050731
Keywords
quantum random number generator; amplified spontaneous emission; min-entropy
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We introduce a quantum random number generator (QRNG) that operates in a PCI express form factor-compatible plug-and-play design. The QRNG utilizes a thermal light source with photon bunching following the Bose-Einstein statistics. We demonstrate that 98.7% of the unprocessed random bit stream min-entropy can be attributed to the quantum signal. The classical component is then removed using a non-reuse shift-XOR protocol, and the final random numbers pass various statistical randomness test suites.
We present the theory, architecture, and performance characteristics of a quantum random number generator (QRNG) which operates in a PCI express form factor-compatible plug-and-play design. The QRNG relies on a thermal light source (in this case, amplified spontaneous emission), which exhibits photon bunching according to the Bose-Einstein (BE) statistics. We demonstrate that 98.7% of the unprocessed random bit stream min-entropy is traceable to the BE (quantum) signal. The classical component is then removed using a non-reuse shift-XOR protocol, and the final random numbers are generated at a 200 Mbps rate and shown to pass the statistical randomness test suites FIPS 140-2, Alphabit, SmallCrush, DIEHARD, and Rabbit of the TestU01 library.
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