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Light confinement to surfaces is at the heart of many recent advances in nanophotonics, for instance in the field of plasmonics, which relies upon plasmon polaritons at metallic surfaces. Various ways of confining light to an interface will be reviewed and new ones demonstrated in this talk. A common description of such modes will be offered, which leads to a global understanding of their interference...
This work provides experimental evidence that an electromagnetic pulse can be delayed with minimum loss and distortion, while propagating through a new type of planar metamaterials that supports modes weakly coupled to free-space radiation. This study also shows that the pulse velocity can be controlled through appropriate subwavelength patterning of a thin metal film, namely a planar metamaterial.
We demonstrate that optical excitations in chiral plasmon nanostructures exhibit broken time reversal symmetry and fractional electromagnetic angular momentum, both of which are essential characteristics of anyon quasiparticles
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