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We demonstrate truly deep sub-wavelength nanoscale metamaterial optical nanocavities with anomalous scaling laws, by incorporating indefinite metamaterials with hyperbolic dispersion. Cavities with sizes down to ∼ λ/20 and high effective refractive index of 17.4 are realized.
We realize three-dimensional nanoscale optical cavities with anomalous scaling laws, by incorporating indefinite metamaterial with hyperbolic dispersion. Optical cavities with sizes down to ∼ λ/12 and high refractive index of 17.4 are demonstrated.
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