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Conferences > CLEO_FS > 2023 > FM2B > FM2B.5

Pseudospin evolution and vortex transmutation due to topological singularity mapping in photonic graphene

Sihong Lei, Shiqi Xia, Daohong Song, and Zhigang Chen

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Abstract

The charge of converted vortices from topological singularity mapping is usually invariant during propagation. Here, we demonstrate pseudospin evolution and periodic vortex transmutation by proper excitation of a ring spectrum in the Dirac cone.

© 2023 The Author(s)

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