Photon propagation through an array of coupled waveguides arranged in various fractal patterns serves as a useful ‘optical simulator’ for revealing insights into quantum transport in complex scenarios.
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Kiss, T., Jex, I. Photons walk on fractal graphs. Nat. Photon. 15, 641–642 (2021). https://doi.org/10.1038/s41566-021-00868-x
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DOI: https://doi.org/10.1038/s41566-021-00868-x