Abstract
We demonstrate that mixing orbitals of different symmetry representations can induce synthetic π-flux threading the lattice. As an experimental demonstration of such a concept, we realize a photonic quadrupole topological insulator in a two-dimensional photonic lattice.
© 2022 The Author(s)
PDF ArticleMore Like This
Julian Schulz, Jiho Noh, Wladimir A. Benalcazar, Gaurav Bahl, and Georg von Freymann
FF1D.8 CLEO: Fundamental Science (CLEO:FS) 2023
Domenico Bongiovanni, Zhichan Hu, Ziteng Wang, Xiangdong Wang, Yahui Zhang, Dario Jukić, Yi Hu, Daohong Song, Roberto Morandotti, Hrvoje Buljan, and Zhigang Chen
FTu1B.2 CLEO: QELS_Fundamental Science (CLEO:FS) 2022
Eran Lustig, Steffen Weimann, Yonatan Plotnik, Miguel A. Bandres, Alexander Szameit, and Mordechay Segev
FM1E.8 CLEO: QELS_Fundamental Science (CLEO:FS) 2018