Observation of an unpaired photonic Dirac point

Observing the photonic analogue of an unpaired Dirac point is hard, as it requires breaking the time-reversal symmetry. Here, the authors use gyromagnetic materials to do that, and thus succeed in observing an unpaired Dirac point in a planar photonic crystal operating at microwave frequencies.

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Bibliographic Details
Main Authors: Gui-Geng Liu, Peiheng Zhou, Yihao Yang, Haoran Xue, Xin Ren, Xiao Lin, Hong-xiang Sun, Lei Bi, Yidong Chong, Baile Zhang
Format: article
Language:EN
Published: Nature Portfolio 2020
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Online Access:https://doaj.org/article/3d29ce5ea70241e6b8161cc8ec6bb704
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