Author:
Kang Qianqian,Wang Zhaoyuan,Huang Xiaoqin,Guo Qing,Zhuang Yuhui,Gong Zeyu,Wang Minglei,Hu Yi,Xu Jingjun
Abstract
We report a light-intensity oscillation with a half-period of Floquet drives applied on photonic lattices. Such an effect, achieved by chiral symmetry of any two half-period separated instantaneous Hamiltonians, is manifested only for zero-energy modes.