title: Ultrafast photon-photon interaction in a strongly coupled quantum dot-cavity system.
abstract: We study dynamics of the interaction between two weak light beams mediated by a strongly coupled quantum dot-photonic crystal cavity system. First, we perform all-optical switching of a weak continuous-wave signal with a pulsed control beam, and then perform switching between two weak pulsed beams (40 ps pulses). Our results show that the quantum dot-nanocavity system enables fast, controllable optical switching at the single-photon level.
authors.affiliation: E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA. englund@columbia.edu
authors.forename: Dirk
authors.initials: D
authors.lastname: Englund
authors.forename: Arka
authors.initials: A
authors.lastname: Majumdar
authors.forename: Michal
authors.initials: M
authors.lastname: Bajcsy
authors.forename: Andrei
authors.initials: A
authors.lastname: Faraon
authors.forename: Pierre
authors.initials: P
authors.lastname: Petroff
authors.forename: Jelena
authors.initials: J
authors.lastname: Vučković