Kavli Affiliate: Zeeshan Ahmed
| First 5 Authors: Zeshan Haider, Muhammad Haroon Saeed, Muhammad Ehsan-ul-Haq Zaheer, Zeeshan Ahmed Alvi, Muhammad Ilyas
| Summary:
Quantum Random Number Generators (QRNGs) emerged as a promising solution for
generating truly random numbers. In the present article, we give an overview of
QRNGs highlighting the merits and demerits of various strategies briefly. Then
opting for the best-case scenario, we present the in-depth experimental
explorations for building and characterizing QRNG using the homodyne detection
technique to measure the quadrature amplitude of quantum vacuum fluctuations.
Since entropy assessment plays a fundamental role in authenticating the true
randomness, a comprehensive description of entropy and how it evaluates the
quality of randomness of the source is illustrated. Our experimental setup,
apart from the hardware, includes a diverse set of testing techniques including
NIST statistical/entropy suites, Dieharder tests battery, and autocorrelation
coefficient to verify the randomness and statistical properties of the
generated random numbers. We believe that our experimental investigations
provide a valuable resource for building QRNGs for a wide range of
applications.
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