Cooperative emission by quantum plasmonic superradiance

We investigate the correlated spontaneous emission from an assembly of emitters coupled to a plasmonic particle, in a fully quantized model. We prove the existence of cooperative emission, refered to as plasmonic superradiance, for specific emitters positions. Plasmonic superradiance dynamics originates from the strong correlation building up between the dipolar emitters and presents a fast burst of emission. We analyse the impact of the emitter positions and the role of localized surface plasmons on the superradiance. We show that the cooperative behaviour can be inhibited by destructive interferences at small distances. Plasmonic superradiance sources constitutes ultrafast and extremelly bright optical nanosources of strong interest for integrated quantum nano-optics platforms.