Visible-frequency hyperbolic metasurface
Top Cited Papers
- 10 June 2015
- journal article
- Published by Springer Science and Business Media LLC in Nature
- Vol. 522 (7555), 192-196
- https://doi.org/10.1038/nature14477
Abstract
Metamaterials are artificial optical media composed of sub-wavelength metallic and dielectric building blocks that feature optical phenomena not present in naturally occurring materials. Although they can serve as the basis for unique optical devices that mould the flow of light in unconventional ways, three-dimensional metamaterials suffer from extreme propagation losses. Two-dimensional metamaterials (metasurfaces) such as hyperbolic metasurfaces for propagating surface plasmon polaritons have the potential to alleviate this problem. Because the surface plasmon polaritons are guided at a metal-dielectric interface (rather than passing through metallic components), these hyperbolic metasurfaces have been predicted to suffer much lower propagation loss while still exhibiting optical phenomena akin to those in three-dimensional metamaterials. Moreover, because of their planar nature, these devices enable the construction of integrated metamaterial circuits as well as easy coupling with other optoelectronic elements. Here we report the experimental realization of a visible-frequency hyperbolic metasurface using single-crystal silver nanostructures defined by lithographic and etching techniques. The resulting devices display the characteristic properties of metamaterials, such as negative refraction and diffraction-free propagation, with device performance greatly exceeding those of previous demonstrations. Moreover, hyperbolic metasurfaces exhibit strong, dispersion-dependent spin-orbit coupling, enabling polarization- and wavelength-dependent routeing of surface plasmon polaritons and two-dimensional chiral optical components. These results open the door to realizing integrated optical meta-circuits, with wide-ranging applications in areas from imaging and sensing to quantum optics and quantum information science.Keywords
This publication has 29 references indexed in Scilit:
- Metamaterial mirrors in optoelectronic devicesNature Nanotechnology, 2014
- Epitaxial superlattices with titanium nitride as a plasmonic component for optical hyperbolic metamaterialsProceedings of the National Academy of Sciences, 2014
- Hyperbolic metamaterialsNature Photonics, 2013
- Planar Photonics with MetasurfacesScience, 2013
- Optical Negative Refraction in Bulk Metamaterials of NanowiresScience, 2008
- Far-Field Optical Hyperlens Magnifying Sub-Diffraction-Limited ObjectsScience, 2007
- Optical negative-index metamaterialsNature Photonics, 2007
- Far-field subdiffraction optical microscopy using metamaterial crystals: Theory and simulationsPhysical Review B, 2006
- Experimental Verification of a Negative Index of RefractionScience, 2001
- Negative Refraction Makes a Perfect LensPhysical Review Letters, 2000