HARMONIC LIGHT-GENERATING METASURFACE
user-5fe1a78c4c775e6ec07359f9(2020)
摘要
A harmonic light-generating metasurface includes a base substrate and a plurality of structures, that include nonlinear material, that are disposed in a pattern on a surface of the base substrate. Each structure of the plurality of structures individually supports a magnetic dipole mode. An electromagnetic field enhancement of the magnetic dipole mode induces generation of a harmonic signal by the plurality of structures. Alternatively, a harmonic light-generating metasurface, includes a base substrate, a supporting substrate that includes a nonlinear material, and a plurality of paired structures disposed in a pattern on a surface of the supporting substrate. Each paired structure, of the plurality of paired structures, collectively supports a toroidal dipole mode. An electromagnetic field enhancement of the toroidal dipole mode penetrates the supporting substrate to induce generation of a harmonic signal by the supporting substrate.
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关键词
Substrate (printing),Magnetic dipole,Electromagnetic field,Harmonic,Signal,Toroid,Base (geometry),Optoelectronics,Nonlinear system,Materials science
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