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physics.app-ph2019
Photonic Higher-Order Topological States Induced by Long Range Interactions
Mengyao Li, Dmitry Zhirihin, Dmitry Filonov +4
The discovery of topological phases has recently led to a paradigm shift in condensed matter physics, and facilitated breakthroughs in engineered photonics and acoustic metamateria…
physics.app-ph2019
Demonstration of a 3rd order hierarchy of higher order topological states in a three-dimensional acoustic metamaterial
Matthew Weiner, Xiang Ni, Mengyao Li +2
In the past years classical wave-systems have constituted an excellent platform for emulating complex quantum phenomena. This approach has been especially fruitful in demonstrating…
physics.app-ph2018
Pseudospin-valley coupled edge states in a photonic topological insulator
Yuhao Kang, Xiaojun Cheng, Xiang Ni +2
Pseudo-spin and valley degrees of freedom (DOFs) engineered in photonic analogues of topological insulators (TI) provide potential approaches to optical encoding and robust signal…