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physics.optics2018★ 26 cited
Topological Floquet edge states in periodically curved waveguides
Bo Zhu, Honghua Zhong, Yongguan Ke +4
We study the Floquet edge states in arrays of periodically curved optical waveguides described by the modulated Su-Schrieffer-Heeger model. Beyond the bulk-edge correspondence, our…
physics.optics2016
Floquet control of the gain and loss in a PT-symmetric optical coupler
Yi Wu, Bo Zhu, Shufang Hu +2
Controlling the balanced gain and loss in a PT-symmetric system is a rather challenging task. Utilizing Floquet theory, we explore the constructive role of periodic modulation in c…