Browsing Tag
metamaterial-based
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New metamaterial-based strategy to combine and transmit multiple light modes
Metamaterials enable specific light propagation modes using a multimode waveguide. (Left) Conceptual illustration of a 1D gradient-index metamaterial (GIM) structure with refractive index continuously varying along the direction of light propagation. (Right) GIM-based coupler for a 16-channel MDM system; (bottom) SEM images of coupling regions. Credit: He et al., doi 10.1117/1.AP.5.5.056008. The past few years