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Title: Probing topological protection using a designer surface plasmon structure

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms11619· OSTI ID:1270875
 [1];  [1];  [1];  [1];  [2];  [1];  [3];  [3];  [4];  [5];  [6];  [7]
  1. Nanyang Technological Univ., Nanyang Link, (Singapore, Republic of). Div. of Physics and Applied Physics, School of Physical and Mathematical Sciences
  2. Nanyang Technological Univ., Nanyang Link, (Singapore, Republic of). Div. of Physics and Applied Physics, School of Physical and Mathematical Sciences; Zhejiang Univ., Hangzhou (China). State Key Laboratory of Modern Optical Instrumentation
  3. Massachusetts Inst. of Technology, Cambridge, MA (United States). Dept. of Physics
  4. Zhejiang Univ., Hangzhou (China). State Key Laboratory of Modern Optical Instrumentation; Massachusetts Inst. of Technology, Cambridge, MA (United States). Dept. of Physics
  5. Massachusetts Inst. of Technology, Cambridge, MA (United States). Dept. of Physics; Chinese Academy of Sciences, Beijing (China). Beijing National Laboratory for Condensed Matter Physics, Inst. of Physics
  6. Nanyang Technological Univ., Nanyang Link, (Singapore, Republic of). Div. of Physics and Applied Physics, School of Physical and Mathematical Sciences,Centre for Disruptive Photonic Technologies
  7. Nanyang Technological Univ., Nanyang Link, (Singapore, Republic of). Div. of Physics and Applied Physics, School of Physical and Mathematical Sciences, Centre for Disruptive Photonic Technologies

Topological photonic states, inspired by robust chiral edge states in topological insulators, have recently been demonstrated in a few photonic systems, including an array of coupled on-chip ring resonators at communication wavelengths. However, the intrinsic difference between electrons and photons determines that the 'topological protection' in time-reversal-invariant photonic systems does not share the same robustness as its counterpart in electronic topological insulators. Here in a designer surface plasmon platform consisting of tunable metallic sub-wavelength structures, we construct photonic topological edge states and probe their robustness against a variety of defect classes, including some common time-reversal-invariant photonic defects that can break the topological protection, but do not exist in electronic topological insulators. Furthermore, this is also an experimental realization of anomalous Floquet topological edge states, whose topological phase cannot be predicted by the usual Chern number topological invariants.

Research Organization:
Nanyang Technological University (Singapore, Republic of); Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0001299
OSTI ID:
1270875
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 175 works
Citation information provided by
Web of Science

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Hopf characterization of two-dimensional Floquet topological insulators journal September 2019
Experimental demonstration of anomalous Floquet topological insulator for sound journal November 2016
Photonic Chern insulator through homogenization of an array of particles journal September 2017
Bifunctional acoustic metamaterial lens designed with coordinate transformation journal March 2017
Zak phase and topological plasmonic Tamm states in one-dimensional plasmonic crystals journal January 2018
Topological Floquet edge states in periodically curved waveguides journal July 2018
Colloquium: Atomic quantum gases in periodically driven optical lattices journal March 2017
Exceptional points in a non-Hermitian topological pump journal May 2017
Photonic Chern insulator through homogenization of an array of particles text January 2017
Synthetic Dimensions with Magnetic Fields and Local Interactions in Photonic Lattices journal January 2017
Three-Dimensional Chiral Lattice Fermion in Floquet Systems journal November 2018
Dynamic defects in photonic Floquet topological insulators text January 2017
Temperature-controlled tunable underwater acoustic topological insulators journal June 2019
Topologically protected refraction of robust kink states in valley photonic crystals journal November 2017
Band topology in classical waves: Wilson-loop approach to topological numbers and fragile topology text January 2019
Electromagnetic‐Dual Metasurfaces for Topological States along a 1D Interface journal August 2019
Non-Hermitian Floquet topological phases: Exceptional points, coalescent edge modes, and the skin effect journal January 2020
Gradient Chiral Metamirrors for Spin-Selective Anomalous Reflection journal October 2017
Topological phenomena in classical optical networks journal October 2017
Microwave metamaterials journal November 2017
Three-dimensional metacrystals with a broadband isotropic diamagnetic response and an all-angle negative index of refraction journal January 2019
A perspective on topological nanophotonics: Current status and future challenges journal March 2019
Observation of zone folding induced acoustic topological insulators and the role of spin-mixing defects journal November 2017
Mimicking Localized Surface Plasmons with Structural Dispersion journal March 2019
Optical Isolation with Nonlinear Topological Photonics conference January 2017
Plasmon-polaritonic quadrupole topological insulators journal January 2020
Exceptional Points in a Non-Hermitian Topological Pump text January 2017
Effective Surface Plasmon Polaritons Induced by Modal Dispersion in a Waveguide journal April 2017
Acoustic valley edge states in a graphene-like resonator system journal March 2018
Photonic Chern insulator through homogenization of an array of particles conference January 2018
Topological acoustic polaritons: robust sound manipulation at the subwavelength scale journal July 2017
Programmable Coding Acoustic Topological Insulator journal October 2018
Topological states in photonic systems journal June 2016
How to Directly Measure Floquet Topological Invariants in Optical Lattices journal June 2019
Photonic quantum information processing: a review text January 2018
Robust Edge States in Amorphous Gyromagnetic Photonic Lattices conference January 2017
Topological photonics journal March 2019
Spoof Plasmonics: From Metamaterial Concept to Topological Description journal May 2018
Band topology in classical waves: Wilson-loop approach to topological numbers and fragile topology journal September 2019
Acoustic Type-II Weyl Nodes from Stacking Dimerized Chains journal November 2016
Topological light-trapping on a dislocation journal June 2018
Experimental Observation of Superscattering journal February 2019
Three-dimensional Chiral Lattice Fermion in Floquet Systems text January 2018
Observation of Photonic Topological Valley Hall Edge States journal February 2018
Observation of valleylike edge states of sound at a momentum away from the high-symmetry points journal April 2018
Optical isolation with nonlinear topological photonics journal September 2017
Anomalous Topological Phases and Unpaired Dirac Cones in Photonic Floquet Topological Insulators journal June 2016
Edge Solitons in Nonlinear-Photonic Topological Insulators journal September 2016
Dynamic defects in photonic Floquet topological insulators journal August 2017
Anomalous Topological Phases and Unpaired Dirac Cones in Photonic Floquet Topological Insulators text January 2016
Elastic pseudospin transport for integratable topological phononic circuits journal August 2018
Observing the transient buildup of a superscatterer in the time domain journal January 2017
Experimental Observation of Topologically Protected Bound States with Vanishing Chern Numbers in a Two-Dimensional Quantum Walk journal September 2018
Higher‐Order Topological States in Surface‐Wave Photonic Crystals journal March 2020
Second-order photonic topological insulator with corner states journal November 2018
Experimental observation of superscattering preprint January 2018
Robust edge states in amorphous gyromagnetic photonic lattices journal September 2017
Surface-Wave Pulse Routing around Sharp Right Angles journal April 2018
Applications of Topological Photonics in Integrated Photonic Devices journal August 2017
Photonic quantum information processing: a review journal November 2018
Z 2 topological edge state in honeycomb lattice of coupled resonant optical waveguides with a flat band journal January 2018
Localized plasmons in topological insulators journal January 2020
Lateral dimension tuned ultra-low loss effective surface plasmonic waveguide journal January 2019
Observation of photonic anomalous Floquet topological insulators journal January 2017
Experimental observation of anomalous topological edge modes in a slowly driven photonic lattice journal January 2017
Topologically-protected refraction of robust kink states in valley photonic crystals text January 2017
Valley surface-wave photonic crystal and its bulk/edge transport journal November 2017
Tuning the dispersion of effective surface plasmon polaritons with multilayer systems journal January 2018
Acoustic type-II Weyl nodes from stacking dimerized chains text January 2016
Second-order photonic topological insulator with corner states text January 2018
Synthetic Dimensions with Magnetic Fields and Local Interactions in Photonic Lattices text January 2016
Observation of topological gravity-capillary waves in a water wave crystal journal August 2019
Observation of topological gravity-capillary waves in a water wave crystal text January 2019
Quantitative robustness analysis of topological edge modes in C6 and valley-Hall metamaterial waveguides journal July 2019
State-recycling and time-resolved imaging in topological photonic lattices journal October 2018
Topological photonics journal October 2014
Author Correction: Elastic pseudospin transport for integratable topological phononic circuits journal January 2019
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Hyperbolic-polaritons-enabled dark-field lens for sensitive detection journal August 2017
Size effect on atomic structure in low-dimensional Cu-Zr amorphous systems journal August 2017
Atomic-scale viscoplasticity mechanisms revealed in high ductility metallic glass films journal September 2019
Atomic picture of elastic deformation in a metallic glass journal March 2015
Recent Advances on In Situ SEM Mechanical and Electrical Characterization of Low-Dimensional Nanomaterials journal January 2017
In Situ SEM Torsion Test of Metallic Glass Microwires Based on Micro Robotic Manipulation journal January 2017
A Novel Approach for Preparation and In Situ Tensile Testing of Silica Glass Membranes in the Transmission Electron Microscope journal April 2017
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Effect of Applied Stress on the Mechanical Properties of a Zr-Cu-Ag-Al Bulk Metallic Glass with Two Different Structure States journal June 2017
Controlling the Mechanical Properties of Bulk Metallic Glasses by Superficial Dealloyed Layer journal October 2017
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Experimental observation of anomalous topological edge modes in a slowly-driven photonic lattice text January 2016
Direct Observation of Valley-polarized Topological Edge States in Designer Surface Plasmon Crystals text January 2017
State-recycling and time-resolved imaging in topological photonic lattices text January 2017
Topological light-trapping on a dislocation text January 2018

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