In the past decade, a two-dimensional matter-light system called the microcavity exciton-
polariton has emerged as a new promising candidate of Bose-Einstein condensation (BEC) …

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 …

Microcavities are semiconductor, metal, or dielectric structures providing optical confinement
in one, two or three dimensions. At the end of the 20th century, microcavities have attracted …

Microcavity polaritons are composite half-light half-matter quasiparticles, which have
recently been demonstrated to exhibit rich physical properties, such as non-equilibrium …

Fluids of exciton polaritons, excitations of two-dimensional quantum wells in optical cavities,
show collective phenomena akin to Bose condensation. However, a fundamental difference …

By exploiting the polarization multistability of polaritons, we show that polarized signals can
be conducted in the plane of a semiconductor microcavity along controlled channels or …

We observe a spontaneous parity breaking bifurcation to a ferromagnetic state in a spatially
trapped exciton-polariton condensate. At a critical bifurcation density under nonresonant …

Semiconductor microcavities, in which strong coupling of excitons to confined photon modes
leads to the formation of exciton–polariton modes, have increasingly become a focus for the …

Theoretical and experimental results on excitonic effects in monomolecular layers of
transition metal dichalcogenides are reviewed. These two-dimensional semiconductors …

Interferometric measurements of an optically trapped exciton-polariton condensate reveal a
regime where the condensate pseudo-spin precesses persistently within the driving optical …