Wavefront dislocations reveal the topology of quasi-1D photonic insulators

Wavefront dislocations reveal the topology of quasi-1D photonic insulators

Topological properties are defined from singularities of the wave functions delocalised in the bulk of the material, but most experimental manifestations remain indirect. Here, the authors observe a wavefront dislocation as a direct evidence of the phase singularity of the delocalised wave functions...

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Bibliographic Details
Main Authors: Clément Dutreix, Matthieu Bellec, Pierre Delplace, Fabrice Mortessagne
Format: article
Language:EN
Published: Nature Portfolio 2021
Subjects:
Science
Q
Online Access:https://doaj.org/article/d2c67d74f66b41b3a3b29c902a221da5
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