485 citations · 931 across the 9 of their papers we have counts for
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cond-mat.mes-hall2018★ 374 cited
Photonic crystal nanocavity based on a topological corner state
Yasutomo Ota, Feng Liu, Ryota Katsumi +4
Topological phonics has emerged as a novel approach to engineer the flow of light and provides unprecedented means for developing diverse photonic elements, including robust optica…
cond-mat.mes-hall2018
Helical Topological Edge States in a Quadrupole Phase
Feng Liu, Hai-Yao Deng, Katsunori Wakabayashi
Topological electric quadrupole is a recently proposed concept that extends the theory of electric polarization of crystals to higher orders. Such a quadrupole phase supports topol…