A 5.4 Gbps real time quantum random number generator with compact implementation
Jie Yang, Jinlu Liu, Qi Su, Zhengyu Li, Fan Fan, Bingjie Xu, and Hong, Guo

TL;DR
This paper introduces a compact, high-speed quantum random number generator achieving 5.4 Gbps by measuring laser phase fluctuations, with validated randomness through standard statistical tests.
Contribution
It presents a novel, simple setup for real-time quantum random number generation at high speed, integrating randomness extraction in FPGA.
Findings
Achieved 5.4 Gbps random bit generation rate.
Random sequences passed NIST and DIEHARD tests.
Model-based analysis aligns with experimental data.
Abstract
We present a random number generation scheme based on measuring the phase fluctuations of a laser with a simple and compact experimental setup. A simple model is established to analyze the randomness and the simulation result based on this model fits well with the experiment data. After the analog to digital sampling and suitable randomness extraction integrated in the field programmable gate array, the final random bits are delivered to a PC, realizing a 5.4 Gbps real time quantum random number generation. The final random bit sequences have passed all the NIST and DIEHARD tests.
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