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Conferences > CLEO_SI > 2022 > SM2N > SM2N.6

Noncontractible loop states in fractal-like photonic lattices with co-existing flatband point and plane degeneracy

Limin Song, Yuqing Xie, Liqin Tang, Daohong Song, and Zhigang Chen

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Abstract

We realize fractal-like photonic lattices, thereby demonstrating noncontractible loop states in a Corbino-shaped geometry as well as distinct compact localized states in a triangle-shaped geometry that possess both point (singular) and plane (nonsingular) flatband degeneracies.

© 2022 The Author(s)

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