# Topological polaritons from photonic Dirac cones coupled to excitons in a magnetic field

@article{Yi2016TopologicalPF, title={Topological polaritons from photonic Dirac cones coupled to excitons in a magnetic field}, author={K. Yi and Torsten Karzig}, journal={Physical Review B}, year={2016}, volume={93}, pages={104303} }

We introduce an alternative scheme for creating topological polaritons (topolaritons) by exploiting the presence of photonic Dirac cones in photonic crystals with triangular lattice symmetry. As recently proposed, topolariton states can emerge from a coupling between photons and excitons combined with a periodic exciton potential and a magnetic field to open up a topological gap. We show that in photonic crystals the opening of the gap can be substantially simplified close to photonic Dirac…

## 18 Citations

Microcavity polaritons for topological photonics [Invited]

- Materials Science, PhysicsOptical Materials Express
- 2021

Microcavity polaritons are light-matter quasiparticles that arise from the strong coupling between excitons and photons confined in a semiconductor microcavity. They are typically studied at visible…

Microcavity polaritons for topological photonics

- Physics
- 2020

Microcavity polaritons are light-matter quasiparticles that arise from the strong coupling between excitons and photons confined in a semiconductor microcavity. They typically operate at visible or…

Topological Phases of Polaritons in a Cavity Waveguide.

- Medicine, PhysicsPhysical review letters
- 2019

This work presents a theory of collective polaritonic excitations in a dimerized chain of oscillating dipoles embedded inside a photonic cavity, and upgrades the system from a typical SSH SU(2) model into a largely unexplored SU(3) model.

Kagome lattice from an exciton-polariton perspective

- Physics
- 2016

We study a system of microcavity pillars arranged into a kagome lattice. We show that polarization-dependent tunnel coupling of microcavity pillars leads to the emergence of the effective spin-orbit…

Topological photonics

- PhysicsReviews of Modern Physics
- 2019

Topological photonics is a rapidly emerging field of research in which geometrical and topological ideas are exploited to design and control the behavior of light. Drawing inspiration from the…

Pattern formation, photonic spin-orbit coupling and topological states in semiconductor microcavities and micropillar lattices

- Physics
- 2018

Microcavity polaritons are mixed light-matter quasiparticles arising from the hybridization between confined cavity photons and quantum well excitons. Since their first observation over a quarter of…

Exploring nonlinear topological states of matter with exciton-polaritons: Edge solitons in kagome lattice

- Physics, MedicineScientific Reports
- 2017

It is shown that exciton-polariton fluid in a nontrivial topological phase in kagome lattice, supports nonlinear excitations in the form of solitons built up from wavepackets of topological edge modes – top theological edge soliteons.

Exciton-Polariton Topological Insulator with an Array of Magnetic Dots

- Physics
- 2019

Recently there have been several proposals on exciton-polariton topological insulators, most requiring strong external magnetic fields induced by bulky superconducting coils. We propose an alternate…

Mimicking graphene with polaritonic spin vortices

- Physics
- 2017

Exploring the properties of strongly correlated systems through quantum simulation with photons, cold atoms or polaritons represents an active area of research. In fact, the latter permits to shed…

Chirality in photonic systems

- Physics
- 2016

Abstract The optical modes of photonic structures are the so-called TE and TM modes that bring intrinsic spin–orbit coupling and chirality to these systems. This, combined with the unique flexibility…

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