Quantum-driven optical security: a hybrid experimental-computational framework for unclonable authentication

Abstract

Ensuring secure authentication is a critical challenge in modern security applications. This study presents a novel approach utilizing the photoluminescence (PL) characteristics of non-toxic quantum dots (QDs) to generate unique optical fingerprints. PL measurements capture emission properties, which are processed through computational algorithms to extract distinct security identifiers. The results demonstrate that this method offers highly distinctive and reproducible optical signatures for authentication and anti-counterfeiting applications. By integrating experimental and computational techniques, this approach enhances precision and security. Future work will focus on optimizing stability and scalability for real-world deployment in secure authentication systems.

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