Towards low-cost monolithic QRNGs

Nicola Massari; Yu Zou; Manuel Moreno Garcia; Luca Parmesan; Alessandro Tontini; Sonia Mazzucchi; Nicolo` Leone; Stefano Azzini; Lorenzo Pavesi; Ingo Herrmann; Thomas Strohm

doi:10.1117/12.2621617

31 May 2022 Towards low-cost monolithic QRNGs

Nicola Massari, Yu Zou, Manuel Moreno Garcia, Luca Parmesan, Alessandro Tontini, Sonia Mazzucchi, Nicolo` Leone, Stefano Azzini, Lorenzo Pavesi, Ingo Herrmann, Thomas Strohm

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Proceedings Volume 12133, Quantum Technologies 2022; 1213308 (2022) https://doi.org/10.1117/12.2621617
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

The present paper shows possible ways to design monolithic Quantum Random Number Generators (QRNGs) in a standard CMOS technology. While all commercial QRNGs based on SPAD technology use an external light as main source of entropy, in the present implementation silicon-based photon sources are used. This approach allows the integration of monolithic QRNGs paving the way towards miniaturized and low-cost devices. Moreover, being the QRNG realized in a standard CMOS technology, in perspective, it can potentially be embedded in secure microprocessor. In the paper we show that the proposed approach is compact, produces a minimum event rate of about 1kHz, possibly extended in case of the implementation of multi-QRNGs working in parallel.

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Nicola Massari, Yu Zou, Manuel Moreno Garcia, Luca Parmesan, Alessandro Tontini, Sonia Mazzucchi, Nicolo` Leone, Stefano Azzini, Lorenzo Pavesi, Ingo Herrmann, and Thomas Strohm "Towards low-cost monolithic QRNGs", Proc. SPIE 12133, Quantum Technologies 2022, 1213308 (31 May 2022); https://doi.org/10.1117/12.2621617

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