Observation of higher-order time-dislocation topological modes
Ching Hua Lee,
Jia-hui Zhang,
Feng Mei
et al.
Abstract:Topological dislocation modes resulting from the interplay between spatial dislocations and
momentum-space topology have recently attracted significant interest. Here, we theoretically and
experimentally demonstrate time-dislocation topological modes which are induced by the interplay
between temporal dislocations and Floquet-band topology. By utilizing an extra physical dimension to represent the frequency-space lattice, we implement a two-dimensional Floquet higher-order
topological phase and observe time-di… Show more
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