Electrically tunable metasurface perfect absorbers for ultrathin mid-infrared optical modulators.

@article{Yao2014ElectricallyTM,
  title={Electrically tunable metasurface perfect absorbers for ultrathin mid-infrared optical modulators.},
  author={Yuguang Yao and Raji Shankar and Mikhail A. Kats and Yi Song and Jing Kong and Marko Lon{\vc}ar and Federico Capasso},
  journal={Nano letters},
  year={2014},
  volume={14 11},
  pages={
          6526-32
        }
}
Dynamically reconfigurable metasurfaces open up unprecedented opportunities in applications such as high capacity communications, dynamic beam shaping, hyperspectral imaging, and adaptive optics. The realization of high performance metasurface-based devices remains a great challenge due to very limited tuning ranges and modulation depths. Here we show that a widely tunable metasurface composed of optical antennas on graphene can be incorporated into a subwavelength-thick optical cavity to… 
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References

SHOWING 1-10 OF 82 REFERENCES
Wide wavelength tuning of optical antennas on graphene with nanosecond response time.
TLDR
This study confirms that hybrid metal-graphene structures are promising elements for high-speed electrically controllable optical and optoelectronic devices.
Planar Photonics with Metasurfaces
TLDR
Progress in the optics of metasurfaces is reviewed and promising applications for surface-confined planar photonics components are discussed and the studies of new, low-loss, tunable plasmonic materials—such as transparent conducting oxides and intermetallics—that can be used as building blocks for metAsurfaces will complement the exploration of smart designs and advanced switching capabilities.
Broad electrical tuning of graphene-loaded plasmonic antennas.
TLDR
In situ control of antennas using graphene as an electrically tunable load in the nanoscale antenna gap is demonstrated and shows that combining graphene with metallic nanostructures provides a route to electrically Tunable optical and optoelectronic devices.
Dielectric gradient metasurface optical elements
TLDR
The experimental realization and operation of dielectric gradient metasurface optical elements capable of also achieving high efficiencies in transmission mode in the visible spectrum are described.
Inductive tuning of Fano-resonant metasurfaces using plasmonic response of graphene in the mid-infrared.
TLDR
It is experimentally demonstrated that, when integrated with Fano-resonant plasmonic metasurfaces, single-layer graphene (SLG) can be used to tune their mid-infrared optical response.
Switching terahertz waves with gate-controlled active graphene metamaterials.
TLDR
It is demonstrated that substantial gate-induced persistent switching and linear modulation of terahertz waves can be achieved in a two-dimensional metamaterial, into which an atomically thin, gated two- dimensional graphene layer is integrated.
Broadband omnidirectional antireflection coating based on subwavelength surface Mie resonators
TLDR
A two-dimensional periodic array of subwavelength silicon nanocylinders designed to possess strongly substrate-coupled Mie resonances yields almost zero total reflectance over the entire spectral range from the ultraviolet to the near-infrared.
Microcavity-Integrated Graphene Photodetector
TLDR
It is demonstrated that by monolithically integrating graphene with a Fabry-Pérot microcavity, the optical absorption is 26-fold enhanced, reaching values >60%.
Thermal tuning of mid-infrared plasmonic antenna arrays using a phase change material.
We demonstrate that the resonances of infrared plasmonic antennas can be tuned or switched on/off by taking advantage of the thermally driven insulator-to-metal phase transition in vanadium dioxide…
Ultra-thin perfect absorber employing a tunable phase change material
We show that perfect absorption can be achieved in a system comprising a single lossy dielectric layer of thickness much smaller than the incident wavelength on an opaque substrate by utilizing the…
...
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