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Multipolar Coupling in Hybrid Metal–Dielectric Metasurfaces

Journal Article · · ACS Photonics
 [1];  [2];  [3];  [4];  [1];  [5];  [4];  [1];  [1]
  1. Australian National Univ., Canberra, ACT (Australia)
  2. Australian National Univ., Canberra, ACT (Australia); Karlsruhe Inst. of Technology (KIT) (Germany)
  3. Australian National Univ., Canberra, ACT (Australia) ; Friedrich Schiller Univ., Jena (Germany)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  5. Karlsruhe Inst. of Technology (KIT) (Germany)
In this paper, we study functional hybrid metasurfaces consisting of metal–dielectric nanoantennas that direct light from an incident plane wave or from localized light sources into a preferential direction. The directionality is obtained by carefully balancing the multipolar contributions to the scattering response from the constituents of the metasurface. The hybrid nanoantennas are composed of a plasmonic gold nanorod acting as a feed element and a silicon nanodisk acting as a director element. In order to experimentally realize this design, we have developed a two-step electron-beam lithography process in combination with a precision alignment step. Finally, the optical response of the fabricated sample is measured and reveals distinct signatures of coupling between the plasmonic and the dielectric nanoantenna elements that ultimately leads to unidirectional radiation of light.
Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1265167
Report Number(s):
SAND2016--5456J; 644957
Journal Information:
ACS Photonics, Journal Name: ACS Photonics Journal Issue: 3 Vol. 3; ISSN 2330-4022
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (22)

Tunable plasmonic substrates with ultrahigh Q-factor resonances journal November 2017
Unidirectional Enhanced Dipolar Emission with an Individual Dielectric Nanoantenna journal April 2019
Metal–dielectric hybrid nanoantennas for efficient frequency conversion at the anapole mode journal January 2018
Creating a Nanoscale “Black Hole” to Trap Light by a Single Au Nanosphere in an All-Dielectric Nanocavity journal July 2018
Exact Multipolar Decompositions with Applications in Nanophotonics journal December 2018
Forward to Backward Scattering Ratio of Dielectric–Metal Heterodimer Suspended in Almost Free‐Space journal July 2019
Fano resonances in heterogeneous dimers of silicon and gold nanospheres journal February 2018
High-resolution grayscale image hidden in a laser beam journal August 2017
Largely enhanced photocatalytic hydrogen production rate of CdS/(Au–ReS 2 ) nanospheres by the dielectric–plasmon hybrid antenna effect journal January 2018
Trapping and filtering of light by single Si nanospheres in a GaAs nanocavity journal January 2019
Tunable multimodal magnetoplasmonic metasurfaces journal October 2019
A broadband high-transmission gradient phase discontinuity metasurface journal February 2018
Resonant dielectric nanostructures: a low-loss platform for functional nanophotonics journal September 2016
Wavevector distribution of metal photoluminescence from a gold film coupled microsphere antenna journal February 2019
Strong coupling in hybrid metal–dielectric nanoresonators
  • Decker, M.; Pertsch, T.; Staude, I.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 375, Issue 2090 https://doi.org/10.1098/rsta.2016.0312
journal March 2017
Weak superradiance in arrays of plasmonic nanoantennas journal October 2019
Resonant laser printing of structural colors on high-index dielectric metasurfaces journal May 2017
Anticrossing double Fano resonances generated in metallic/dielectric hybrid nanostructures using nonradiative anapole modes for enhanced nonlinear optical effects journal January 2016
Plasmonic nanoantenna-dielectric nanocavity hybrids for ultrahigh local electric field enhancement journal January 2018
Self-tuning of second-harmonic generation in GaAs nanowires enabled by nonlinear absorption journal January 2019
Coherent couplings between magnetic dipole transitions of quantum emitters and dielectric nanostructures journal January 2019
Light-emitting metasurfaces journal July 2019

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