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Title: Optical magnetism in planar metamaterial heterostructures

Harnessing artificial optical magnetism has previously required complex two- and three-dimensional structures, such as nanoparticle arrays and split-ring metamaterials. By contrast, planar structures, and in particular dielectric/metal multilayer metamaterials, have been generally considered non-magnetic. Although the hyperbolic and plasmonic properties of these systems have been extensively investigated, their assumed non-magnetic response limits their performance to transverse magnetic (TM) polarization. We propose and experimentally validate a mechanism for artificial magnetism in planar multilayer metamaterials. We also demonstrate that the magnetic properties of high-index dielectric/metal hyperbolic metamaterials can be anisotropic, leading to magnetic hyperbolic dispersion in certain frequency regimes. We show that such systems can support transverse electric polarized interface-bound waves, analogous to their TM counterparts, surface plasmon polaritons. Here, our results open a route for tailoring optical artificial magnetism in lithography-free layered systems and enable us to generalize the plasmonic and hyperbolic properties to encompass both linear polarizations.
Authors:
ORCiD logo [1] ;  [1] ;  [1] ;  [2] ; ORCiD logo [1]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  2. Univ. of Santa Barbara, Santa Barbara, CA (United States)
Publication Date:
Grant/Contract Number:
FG02-07ER46405
Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Research Org:
California Inst. of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
OSTI Identifier:
1499681

Papadakis, Georgia T., Fleischman, Dagny, Davoyan, Artur, Yeh, Pochi, and Atwater, Harry A.. Optical magnetism in planar metamaterial heterostructures. United States: N. p., Web. doi:10.1038/s41467-017-02589-8.
Papadakis, Georgia T., Fleischman, Dagny, Davoyan, Artur, Yeh, Pochi, & Atwater, Harry A.. Optical magnetism in planar metamaterial heterostructures. United States. doi:10.1038/s41467-017-02589-8.
Papadakis, Georgia T., Fleischman, Dagny, Davoyan, Artur, Yeh, Pochi, and Atwater, Harry A.. 2018. "Optical magnetism in planar metamaterial heterostructures". United States. doi:10.1038/s41467-017-02589-8. https://www.osti.gov/servlets/purl/1499681.
@article{osti_1499681,
title = {Optical magnetism in planar metamaterial heterostructures},
author = {Papadakis, Georgia T. and Fleischman, Dagny and Davoyan, Artur and Yeh, Pochi and Atwater, Harry A.},
abstractNote = {Harnessing artificial optical magnetism has previously required complex two- and three-dimensional structures, such as nanoparticle arrays and split-ring metamaterials. By contrast, planar structures, and in particular dielectric/metal multilayer metamaterials, have been generally considered non-magnetic. Although the hyperbolic and plasmonic properties of these systems have been extensively investigated, their assumed non-magnetic response limits their performance to transverse magnetic (TM) polarization. We propose and experimentally validate a mechanism for artificial magnetism in planar multilayer metamaterials. We also demonstrate that the magnetic properties of high-index dielectric/metal hyperbolic metamaterials can be anisotropic, leading to magnetic hyperbolic dispersion in certain frequency regimes. We show that such systems can support transverse electric polarized interface-bound waves, analogous to their TM counterparts, surface plasmon polaritons. Here, our results open a route for tailoring optical artificial magnetism in lithography-free layered systems and enable us to generalize the plasmonic and hyperbolic properties to encompass both linear polarizations.},
doi = {10.1038/s41467-017-02589-8},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United States},
year = {2018},
month = {1}
}

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