Randomized trial demonstrates unusual slow light in subwavelength moiré photonic crystals, highlighting new optical capabilities.
Moiré patterns have recently become a very active field in nanophotonics. Those structures exhibit novel photonic properties unattainable with traditional photonic crystals. Especially, moiré magic configurations have been shown to allow intriguing slow light modes with zero group velocity. Starting from macroscopic moiré patterns in the everyday life, we will then shift to the subwavelength scale of moiré photonic crystals and detail some of their unusual properties.
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Lavignac et al. (2026) studied this question.
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