In the metamaterial with hyperbolic dispersion (an array of silver nanowires in alumina membrane) we have observed six-fold reduction of the emission life-time of dye deposited onto the metamaterial's surface. This serves as the evidence of the earlier predicted high density of photonic states in hyperbolic metamaterials. Metamaterials are engineered composite materials containing sub-wavelength inclusions (meta-atoms) that often have custom-tailored shapes, sizes, mutual arrangements, and orientations. Near-fantastic theoretical predictions and ...
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