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Fig. 12 | Nanoscale Research Letters

Fig. 12

From: Ultracompact Nanophotonics: Light Emission and Manipulation with Metasurfaces

Fig. 12

Light-emitting metasurfaces a Modal structure of symmetric and symmetry broken semiconductor metasurfaces [47], b Unidirectional luminescence from the InGaN/GaN quantum-well metasurface [48], c Active perovskite hyperbolic metasurface with deep-subwavelength alternating layers [49], d Light-emitting metalenses and meta-axicons for focusing and beaming of spontaneous emission [50], and e Enhanced multiphoton processes in perovskite metasurfaces [51]

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