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physics.optics2022
Topological Interface-State Lasing in a Polymer-Cholesteric Liquid Crystal Superlattice
Yu Wang, Donghao Yang, Shaohua Gao +6
The advance of topological photonics has heralded a revolution for manipulating light as well as for the development of novel photonic devices such as topological insulator lasers.…
physics.optics2022
Topological flatband loop states in fractal-like photonic lattices
Limin Song, Yuqing Xie, Shiqi Xia +4
Noncontractible loop states (NLSs) are recently realized topological entity in flatband lattices, arising typically from band touching at a point where a flat band intersects one o…