Optical 3D cavity modes below the diffraction-limit using slow-wave surface-plasmon-polaritons.

  title={Optical 3D cavity modes below the diffraction-limit using slow-wave surface-plasmon-polaritons.},
  author={Eyal Feigenbaum and Meir Orenstein},
  journal={Optics express},
  volume={15 5},
Modal volumes at the nano-scale, much smaller than the "diffraction-limit", with appreciable quality factors, are calculated for a dielectric cavity embedded in a space between metal plates. The modal field is bounded between the metal interfaces in one dimension and can be reduced in size almost indefinitely in this dimension. But more surprisingly, due to the "plasmonic" slow wave effect, this reduction is accompanied by a similar in-plane modal size reduction. Another interesting result is… CONTINUE READING
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