Figure 3 |Measurements of the Zak phase. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure 3 |Measurements of the Zak phase.

Caption

Experimental observed band structures and measured phases (blue circles) extracted from the chosen bands indicated by red arrows, compared with theoretical results (red lines), with modulation amplitudes (a)g₁＜g₂ (non-trivial case) and (b) g₁＞g₂ (trivial case), respectively.

Credit

by Guangzhen Li, Luojia Wang, Rui Ye, Yuanlin Zheng, Da-Wei Wang, Xiong-Jun Liu, Avik Dutt, Luqi Yuan, and Xianfeng Chen

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License

CC BY

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