Strong light–matter coupling and exciton-polariton condensation in lattices of plasmonic nanoparticles [Invited]

Abstract

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Enhanced Light Emission by Magnetic and Electric Resonances in Dielectric Metasurfaces

“…In the present geometry, where the localized resonances are at higher frequencies than the Rayleigh anomalies, both decreasing d and increasing a , increases their detuning and makes the interaction weaker. [ 59,60 ] This weaker interaction leads to narrower M‐SLRs, with a character that is more diffractive as opposed to the localized character due to Mie resonances. The effect of detuning is also clearly seen in the extinction maps of Figure 2, where the frequencies of the diffraction orders are tailored via the angle of incidence.…”

Nonequilibrium states of a plasmonic Dicke model with coherent and dissipative surface-plasmon–quantum-emitter interactions

“…Technological flexibility in the design of plasmonic cavities allows one to engineer surface-plasmon states and their interactions with quantum emitters (QEs), e.g., fluorescent dyes or semiconductor nanostructures, leading to potentially desirable cooperative properties [1][2][3]. The strong (ultrastrong) coupling regimes, when the surface-plasmon-QE interaction strength exceeds the total cavity losses (becomes comparable to the QE energy), open new opportunities for nonequilibrium exciton-plasmon-polariton condensation, nonlinear emission, and lasing [4,5].…”

Molecular Monolayer Strong Coupling in Dielectric Soft Microcavities

“…The strong coupling regime is attractive because in this regime the molecular energy landscape can be radically modified, the regime thus offers great opportunities to control molecular properties. [11][12][13][14] In the past, strong coupling of molecules to cavities has been explored using planar Fabry-Perot resonators, 6,15,16 single plasmonic particles, 17,18 meta-surfaces, 10,19,20 and gap plasmonic cavities, 21 among others.…”