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Exciton–polaritons in van der Waals heterostructures embedded in tunable microcavities
- S. Dufferwiel, S. Schwarz, +13 authors A. Tartakovskii
- Physics, Medicine
- Nature communications
- 17 May 2015
Layered materials can be assembled vertically to fabricate a new class of van der Waals heterostructures a few atomic layers thick, compatible with a wide range of substrates and optoelectronic… Expand
Spontaneous formation and optical manipulation of extended polariton condensates
Long-lived polariton condensates can propagate well beyond the area of their initial excitation while still maintaining spatial coherence. This enables direct and controllable manipulation of the… Expand
TOPICAL REVIEW: Polariton polarization-sensitive phenomena in planar semiconductor microcavities
From a theoretical point of view, we discuss a variety of phenomena linked to the spin and polarization degree of freedom of exciton-polaritons in semiconductor microcavities. We start with linear… Expand
Experimental evidence for nonequilibrium Bose condensation of exciton polaritons
We observe dramatic changes in the near-field and far-field emission from a semiconductor microcavity excited by a pulsed and nonresonant optical pump with varying power. Above a threshold pumping… Expand
Interactions in confined polariton condensates.
We investigate the effect of interactions in zero-dimensional polariton condensates. The shape of the condensate wave function is shown to be modified by repulsive interactions with the reservoir of… Expand
Direct observation of Dirac cones and a flatband in a honeycomb lattice for polaritons.
Two-dimensional lattices of coupled micropillars etched in a planar semiconductor microcavity offer a workbench to engineer the band structure of polaritons. We report experimental studies of… Expand
Optical spin hall effect.
A remarkable analogy is established between the well-known spin Hall effect and the polarization dependence of Rayleigh scattering of light in microcavities. This dependence results from the strong… Expand
From excitonic to photonic polariton condensate in a ZnO-based microcavity.
We report exciton-polariton condensation in a new family of fully hybrid ZnO-based microcavity demonstrating the best-quality ZnO material available (a bulk substrate), a large quality factor (~4000)… Expand
Observation of the optical spin Hall effect
The spin Hall effect consists of the generation of a spin current perpendicular to the charge current flow. Thirty-five years after its prediction by Dyakonov and Perel'1, it is the focus of… Expand
Polariton Z topological insulator.
We demonstrate that honeycomb arrays of microcavity pillars behave as an optical-frequency two-dimensional photonic topological insulator. We show that the interplay between the photonic spin-orbit… Expand