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Fig. 11 | Nanoscale Research Letters

Fig. 11

From: Ultracompact Nanophotonics: Light Emission and Manipulation with Metasurfaces

Fig. 11

Structured light projection with metasurface-integrated devices a Wide angle Lambertian distribution of a plain LED slab (left), Controlled LED emission with functional dielectric metasurfaces (right) [126], b Schematic of a standard VCSEL structure integrated with a metasurface at the back side of the substrate (left), Metasurface-integrated VCSELs for programmable directional lasing emissions (right) [142], and c Multichannel beams array generations (left), Ultracompact generating structured light on an on-chip integration of metasurfaces and VCSELs (middle), Beam steering chip consisting of 8 × 8 laser elements with different deflection angles (right) [143]

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