Demonstration of an All-Optical AND Gate Mediated by Photochromic Molecules

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Zhang, Heyou ; Gießübel, Max ; Dharpure, Pankaj ; Albert, Andrea ; Niestierkina, Vira ; Mulvaney, Paul ; Thelakkat, Mukundan ; Köhler, Jürgen:
Demonstration of an All-Optical AND Gate Mediated by Photochromic Molecules.
In: Advanced Functional Materials. (2025) . - 2507180.
ISSN 1616-3028
DOI: https://doi.org/10.1002/adfm.202507180

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Abstract

The realization of a photonic logic AND gate, i.e. a logic AND gate that runs on photons rather than electrons, and where all steps are controlled by light, is demonstrated. In a proof-of-principle experiment, this is accomplished by exploiting photochromic molecules for monitoring the presence or absence of photons of particular wavelengths that represent the logic variables.