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Photonic Realization of a Transition Between Topological Phases Residing in the Weak and Strong Floquet Driving Regimes
Jonathan Guglielmon, Sheng Huang, Kevin P. Chen +1
A photonic Floquet topological insulator has previously been experimentally realized in an array of evanescently-coupled helical waveguides. In the topological regime probed by tha…
Observation of Photonic Topological Valley-Hall Edge States
Jiho Noh, Sheng Huang, Kevin Chen +1
We experimentally demonstrate topological edge states arising from the valley-Hall effect in twodimensional honeycomb photonic lattices with broken inversion symmetry. We break inv…
Photonic topological pumping through the edges of a dynamical four-dimensional quantum Hall system
Oded Zilberberg, Sheng Huang, Jonathan Guglielmon +4
When a two-dimensional electron gas is exposed to a perpendicular magnetic field and an in-plane electric field, its conductance becomes quantized in the transverse in-plane direct…