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Published in:
2018 | OriginalPaper | Chapter
2. Optical Berry Phase in Micro/Nano-rings
Authors : Libo Ma, Vladimir M. Fomin, Oliver G. Schmidt
Published in: Physics of Quantum Rings
Publisher: Springer International Publishing
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Abstract
Theoretical and experimental results are presented, which introduce topology into the field of optical and plasmonic resonances in ring resonators. Due to occurrence of the Berry phase in non-trivial evolution, plasmon/photon modes with non-integer numbers of wavelengths along the circumference are revealed in metallic/dielectric Möbius rings, which do not exist in conventional ring resonators. In cone-shaped anisotropic microtube resonators, the optical spin-orbit coupling is enabled for generation of the Berry phase acquired in a non-cyclic and non-Abelian evolution. These topology-induced effects imply promising applications related to manipulating photons in on-chip integrable quantum devices.