Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetry
Mesoscale and Nanoscale Physics
2021-03-03 v2 Optics
Abstract
We investigate a photonic device consisting of two coupled optical cavities possessing Rashba-Dresselhaus spin-orbit coupling, TE-TM splitting, and linear polarisation splitting that opens a tuneable energy gap at the diabolic points of the photon dispersion; giving rise to an actively addressable local Berry curvature. The proposed architecture stems from recent advancements in the design of artificial photonic gauge fields in liquid crystal cavities [K. Rechci\'{n}ska et al., Science 366, 727 (2019)]. Our study opens new perspectives for topological photonics, room-temperature spinoptronics, and studies on the quantum geometrical structure of photonic bands in extreme settings.
Keywords
Cite
@article{arxiv.2009.07189,
title = {Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetry},
author = {Pavel Kokhanchik and Helgi Sigurdsson and Barbara Piętka and Jacek Szczytko and Pavlos G. Lagoudakis},
journal= {arXiv preprint arXiv:2009.07189},
year = {2021}
}