TY - JOUR

T1 - Light-matter coupling and spin-orbit interaction of polariton modes in liquid crystal optical microcavities

AU - Кавокин, Алексей Витальевич

AU - Седов, Евгений Сергеевич

AU - Глазов, Михаил Михайлович

AU - Lagoudakis, Pavlos

PY - 2024/5/31

Y1 - 2024/5/31

N2 - In this theoretical study, we explore the dispersion and basic properties of optical microcavities filled with liquid crystal (LC) media that contain embedded quantum wells. As a result of the strong coupling between cavity photons and excitons, exciton polariton quasiparticles arise in these structures. LC-filled microcavities have an advantage of the ability to manipulate the spin (polarization) of the photonic component of the polariton states by controlling the orientation of LC molecules using an external electric field. This enables the engineering of controllable synthetic Hamiltonians for the polariton eigenmodes in microcavity structures. The introduction of synthetic spin-orbit interaction via placing of the quantum wells at particular positions in the LC-filled cavity enables control over the propagation of exciton polaritons, leading to various spatial effects. Through numerical calculations, we successfully reproduce the birefringence and zitterbewegung phenomena exhibited by exciton polaritons propagating within the microcavity plane. We also examine the conditions required for strong coupling when utilizing perovskite layers as hosts for excitons. While the strong coupling regime can be also achieved in this material system, the manifestations of the synthetic spin-orbit interaction are suppressed owing to stronger disorder and nonradiative processes.

AB - In this theoretical study, we explore the dispersion and basic properties of optical microcavities filled with liquid crystal (LC) media that contain embedded quantum wells. As a result of the strong coupling between cavity photons and excitons, exciton polariton quasiparticles arise in these structures. LC-filled microcavities have an advantage of the ability to manipulate the spin (polarization) of the photonic component of the polariton states by controlling the orientation of LC molecules using an external electric field. This enables the engineering of controllable synthetic Hamiltonians for the polariton eigenmodes in microcavity structures. The introduction of synthetic spin-orbit interaction via placing of the quantum wells at particular positions in the LC-filled cavity enables control over the propagation of exciton polaritons, leading to various spatial effects. Through numerical calculations, we successfully reproduce the birefringence and zitterbewegung phenomena exhibited by exciton polaritons propagating within the microcavity plane. We also examine the conditions required for strong coupling when utilizing perovskite layers as hosts for excitons. While the strong coupling regime can be also achieved in this material system, the manifestations of the synthetic spin-orbit interaction are suppressed owing to stronger disorder and nonradiative processes.

UR - https://www.mendeley.com/catalogue/8969aaa6-993f-355b-b945-e54b6d74028c/

U2 - 10.1103/PhysRevResearch.6.023220

DO - 10.1103/PhysRevResearch.6.023220

M3 - Article

VL - 6

JO - Physical Review Research

JF - Physical Review Research

SN - 2643-1564

IS - 2

M1 - 023220

ER -