Metal-medium coupling resonance cavity for generating Vaino resonance phenomenon
A technology of coupled resonance and resonant cavity, which is applied in the field of nanophotonics, can solve problems such as limiting the application of surface plasmon functional devices, and achieve the effect of increasing wavelength resolution and reducing threshold
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[0017] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.
[0018] like figure 1 As shown, the metal-dielectric coupled resonator that produces the Fano resonance phenomenon of the present invention includes: a metal-dielectric-metal MIM waveguide, and a branch resonator 4 and two baffles 5 in the MIM waveguide; wherein, the MIM waveguide is Three-layer flat plate structure, the first layer 1 and the third layer 3 are metal materials, and the dielectric layer 2 is in between; the branch resonator 4 is coupled to the dielectric layer 2 of the metal-medium-metal MIM waveguide from the side; two barriers The plate 5 is vertically arranged in the dielectric layer 2, and is respectively located on both sides of the branch resonator 4; the branch resonator 4 and the dielectric layer 2 are the same medium; it is a two-dimensional structure.
[0019] In this embodiment, the metal of the first layer 1 and the th...
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