The coherent exchange of energy between materials and optical fields leads to strong light–
matter interactions and so-called polaritonic states with intriguing properties, halfway …

Lead-halide perovskites are generally excellent light emitters and can have larger exciton
binding energies than thermal energy at room temperature, exhibiting great promise for …

Abstract The study of Bose–Einstein condensation effects in photonic systems has revealed
a rich phenomenology related to spontaneous coherence generation in driven-dissipative …

Polaritons are quasiparticles that form in semiconductors when an elementary excitation
such as an exciton or a phonon interacts sufficiently strongly with light. In particular, exciton …

Active optical elements with ever smaller footprint and lower energy consumption are central
to modern photonics. The drive for miniaturization, speed and efficiency, with the …

Two-dimensional atomic crystals of graphene, as well as transition-metal dichalcogenides,
have emerged as a class of materials that demonstrate strong interaction with light. This …

Resonance interaction between a molecular transition and a confined electromagnetic field
can reach the coupling regime where coherent exchange of energy between light and …

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 …

The quest for realizing novel fundamental physical effects and practical applications in
ambient conditions has led to tremendous interest in microcavity exciton polaritons working …

Under the right conditions, cavity polaritons form a macroscopic condensate in the ground
state. The fascinating nonlinear behaviour of this condensate is largely dictated by the …