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Proceedings Paper

Photonic physical unclonable functions: from the concept to fully functional device operating in the field
Author(s): M. Akriotou; A. Fragkos; D. Syvridis
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Paper Abstract

The scope of this paper is to demonstrate a fully working and compact photonic Physical Unclonable Function (PUF) device capable of operating in real life scenarios as an authentication mechanism and random number generator. For this purpose, an extensive experimental investigation of a Polymer Optical Fiber (POF) and a diffuser as PUF tokens is performed and the most significant properties are evaluated using the proper mathematical tools. Two different software algorithms, the Random Binary Method (RBM) and Singular Value Decomposition (SVD), were tested for optimized key extraction and error correction codes have been incorporated for enhancing key reproducibility. By taking into consideration the limitations and overall performance derived by the experimental evaluation of the system, the designing details towards the implementation of a miniaturized, energy efficient and low-cost device are extensively discussed. The performance of the final device is thoroughly evaluated, demonstrating a long-term stability of 1 week, an operating temperature range of 50C, an exponentially large pool of unique Challenge-Response Pairs (CRPs), recovery after power failure and capability of generating NIST compliant true random numbers.

Paper Details

Date Published: 28 May 2020
PDF: 17 pages
Proc. SPIE 11274, Physics and Simulation of Optoelectronic Devices XXVIII, 112740N (28 May 2020);
Show Author Affiliations
M. Akriotou, National and Kapodistrian Univ. of Athens (Greece)
A. Fragkos, Eulambia Advanced Technologies Ltd. (Greece)
D. Syvridis, National and Kapodistrian Univ. of Athens (Greece)


Published in SPIE Proceedings Vol. 11274:
Physics and Simulation of Optoelectronic Devices XXVIII
Bernd Witzigmann; Marek Osiński; Yasuhiko Arakawa, Editor(s)

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