Abstract
We demonstrate universal conversion of topological singularities in momentum-space (Dirac points) to topological defects in real-space (optical vortices). We show that this conversion persists even in stretched lattices, topologically protected by a quantized Berry phase.
© 2020 The Author(s)
PDF Article | Presentation VideoMore Like This
Shiqi Xia, Xiuying Liu, Ema Jajtić, Daohong Song, Denghui Li, Liqin Tang, Daniel Leykam, Jingjun Xu, Hrvoje Buljan, and Zhigang Chen
NpW1E.6 Nonlinear Photonics (NP) 2020
Ema Jajtic, Xiuying Liu, Shiqi Xia, Daohong Song, Denghui Li, Liqin Tang, Daniel Leykam, Jingjun Xu, Zhigang Chen, and Hrvoje Buljan
JM4A.5 CLEO: Applications and Technology (CLEO:A&T) 2020
Sihong Lei, Shiqi Xia, Junqian Wang, Daohong Song, and Zhigang Chen
FTu4J.6 CLEO: QELS_Fundamental Science (CLEO:FS) 2022