TL;DR
This paper reviews the current state of research on quantum fluids of light, highlighting their unique properties, experimental techniques, and potential applications in quantum optics and condensed matter physics.
Contribution
It provides a comprehensive overview of both theoretical and experimental advances in quantum fluids of light, emphasizing their non-equilibrium nature and future research directions.
Findings
Quantum fluids of light exhibit unique non-equilibrium properties.
Experimental techniques enable manipulation and diagnostics of light fluids.
Potential for strongly correlated light systems and opto-electronic applications.
Abstract
In this Chapter, we give a brief review of the state of the art of theoretical and experimental studies of quantum fluids of light. Such systems consist of ensembles of photons that acquire a finite mass from spatial confinement or diffraction and finite binary interactions from the optical nonlinearity of the optical medium. The peculiar properties of these fluids are highlighted in comparison with standard condensed matter systems, with a special emphasis on the novel possibilities that they offer for the generation, the manipulation and the diagnostics of the fluid, as well as on their intrinsically non-equilibrium and/or dynamical nature. Perspectives towards a new generation of experiments on strongly correlated fluids of light and towards opto-electronic applications are finally sketched.
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Taxonomy
TopicsSpectroscopy and Quantum Chemical Studies · Cold Atom Physics and Bose-Einstein Condensates · Quantum optics and atomic interactions