Scalable and CMOS compatible silicon photonic physical unclonable functions for supply chain assurance.

ABSTRACT: We demonstrate the uniqueness, unclonability and secure authentication of N = 56 physical unclonable functions (PUFs) realized from silicon photonic moiré quasicrystal interferometers. Compared to prior photonic-PUF demonstrations typically limited in scale to only a handful of unique devices and on the order of 10 false authentication attempts, this work examines > 10³ inter-device comparisons and false authentication attempts. Device fabrication is divided across two separate fabrication facilities, allowing for cross-fab analysis and emulation of a malicious foundry with exact knowledge of the PUF photonic circuit design and process. Our analysis also compares cross-correlation based authentication to the traditional Hamming distance method and experimentally demonstrates an

SUBMITTER: Tarik FB 

PROVIDER: S-EPMC9485222 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature