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  4. Photonic quadrupole topological insulator using orbital-induced synthetic flux
 
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2022
Conference Paper
Title

Photonic quadrupole topological insulator using orbital-induced synthetic flux

Abstract
We demonstrate that mixing orbitals of different symmetry representations can induce synthetic π-flux threading the lattice. As an experimental demonstration of such a concept, we realize a photonic quadrupole topological insulator in a two-dimensional photonic lattice.
Author(s)
Schulz, Julian
Noh, Jiho
Benalcazar, Wladimir A.
Bahl, Gaurav
Freymann, Georg von  
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
Mainwork
Laser Science 2022  
Conference
Meeting "Laser Science" 2022  
Frontiers in Optics + Laser Science Conference 2022  
DOI
10.1364/FIO.2022.JW5A.31
Language
English
Fraunhofer-Institut für Techno- und Wirtschaftsmathematik ITWM  
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