This article reviews recent theoretical and experimental advances in the fundamental
understanding and active control of quantum fluids of light in nonlinear optical systems. In …

We use coupled micropillars etched out of a semiconductor microcavity to engineer a spin-
orbit Hamiltonian for photons and polaritons in a microstructure. The coupling between the …

Spin–orbit coupling is a fundamental mechanism that connects the spin of a charge carrier
with its momentum. In the optical domain, an analogous synthetic spin–orbit coupling is …

Synthetic crystal lattices provide ideal environments for simulating and exploring the band
structure of solid-state materials in clean and controlled experimental settings. Physical …

We report on the experimental observation of the nonlinear analogue of the optical spin Hall
effect under highly nonresonant circularly polarized excitation of an exciton-polariton …

Multicomponent Bose–Einstein condensates, quantum Hall systems, and chiral magnetic
materials display twists and knots in the continuous symmetries of their order parameters …

The spin Hall effect, a key enabler in the field of spintronics, underlies the capability to
control spin currents over macroscopic distances. The effect was initially predicted by …

We report the observation of spin currents in a coherent gas of indirect excitons. The
realized long-range spin currents originate from the formation of a coherent gas of bosonic …

The experimental study of edge states in atomically thin layered materials remains a
challenge due to the difficult control of the geometry of the sample terminations, the stability …

It is widely assumed that photons cannot be manipulated using electric or magnetic fields.
Even though hybridization of photons with electronic polarization to form exciton-polaritons …