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Photonic topological Chern insulators based on Tellegen metacrystals

Jacobs, Daniel; Khanikaev, Alexander B; Miroshnichenko, Andrey; Kivshar, Yuri


We demonstrate that topologically nontrivial states of light can be engineered in periodic photonic structures containing media with a Tellegen-type bianisotropic response. Whilst in such bianisotropic materials the time-reversal symmetry is broken, they are characterized by an intrinsic magnetic order which does not require macroscopic magnetization. Our design can therefore be considered as a direct analog of the solid state Chern insulator which exhibits a topological order in the absence of...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: New Journal of Physics
DOI: 10.1088/1367-2630/17/12/125015
Access Rights: Open Access


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