Interest in the multiple facets of optical vortices has flourished in the last three decades. This
review examines the basic research and applications of the interplay between optical …

Two-dimensional semiconductors are considered intriguing materials for photonic
applications, thanks to their stunning optical properties and the possibility to manipulate …

The appearance of quantized vortices in the classical “rotating bucket” experiments of liquid
helium and ultracold dilute gases provides the means for fundamental and comparative …

The rotational response of quantum condensed fluids is strikingly distinct from rotating
classical fluids, especially notable for the excitation and ordering of quantized vortex …

Recent experiments have demonstrated the feasibility of exploiting spectral singularities in
open quantum and wave systems, so-called exceptional points, for sensors with strongly …

Open quantum and wave systems exhibit exotic degeneracies at exceptional points in
parameter space that have attracted considerable attention in various fields of physics …

Exciton-polaritons in semiconductor microcavities constitute the archetypal realization of a
quantum fluid of light. Under coherent optical drive, remarkable effects such as superfluidity …

We propose all-optical neural networks characterized by very high energy efficiency and
performance density of inference. We argue that the use of microcavity exciton polaritons …

Electromagnetism, with its scalar charges, is based on an Abelian gauge theory, whereas
non-Abelian gauge theories with vector charges describe strong and weak interactions, with …

Topological defects, such as quantum vortices, determine the properties of quantum fluids.
Their study has been at the center of activity in solid state and BEC communities. In parallel …