A low bias variation SPAD-based pixel for a quantum random generator

Nicola Massari; Leonardo Gasparini; Alessandro Tomasi; Alessio Meneghetti; Daniele Perenzoni; David Stoppa

doi:10.1117/12.2195086

13 October 2015 A low bias variation SPAD-based pixel for a quantum random generator

Nicola Massari, Leonardo Gasparini, Alessandro Tomasi, Alessio Meneghetti, Daniele Perenzoni, David Stoppa

Proceedings Volume 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology; 964813 (2015) https://doi.org/10.1117/12.2195086
Event: SPIE Security + Defence, 2015, Toulouse, France

Abstract

The present work is focused on the description of a SPAD-based pixel suitable for random bits extraction. Compared to the state-of-the-art, the proposed approach aims at improving the performance of the random generator with respect to possible photon flux variation. Thanks to the adopted methodology, the entropy of the output is maintained almost constant over a wide range of operating conditions. The principle has been validated through simulations and implemented in a compact pixel, suitable for array implementation.

Citation Download Citation

Nicola Massari, Leonardo Gasparini, Alessandro Tomasi, Alessio Meneghetti, Daniele Perenzoni, and David Stoppa "A low bias variation SPAD-based pixel for a quantum random generator", Proc. SPIE 9648, Electro-Optical and Infrared Systems: Technology and Applications XII; and Quantum Information Science and Technology, 964813 (13 October 2015); https://doi.org/10.1117/12.2195086

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