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physics.optics2023★ 1 cited
Ultrawide Edge State Supercontinuum in a Floquet-Lieb Topological Photonic Insulator
Hanfa Song, Tyler Zimmerling, Bo Leng +1
Conventional topological photonic insulators typically have narrow nontrivial band gaps truncated by broad dispersive bulk bands, resulting in limited edge mode transmission bandwi…
physics.optics2022★ 4 cited
N-Band Photonic Hopf Insulators Based on 2D Microring Lattices
Bo Leng, Vien Van
Hopf insulators are topological insulators whose topological behavior arises from the nontrivial mapping from a 3D sphere to a 2D sphere, known as the Hopf map. The Hopf map, typic…