6533b873fe1ef96bd12d5763
RESEARCH PRODUCT
Witnessing nonclassicality through large deviations in quantum optics
Francesco CiccarelloFederico CarolloG. Massimo PalmaIgor LesanovskyDario CilluffoGiuseppe BuonaiutoSalvatore Lorenzosubject
Quantum opticsPhysics---Quantum PhysicsFOS: Physical sciencesQuantum Physics01 natural sciences010305 fluids & plasmasQuantum mechanics0103 physical sciencesLarge deviations theoryOpen quantum systems quantum optics large deviation theory010306 general physicsQuantum Physics (quant-ph)description
Non-classical correlations in quantum optics as resources for quantum computation are important in the quest for highly-specialized quantum devices. The standard way to investigate such effects relies on either the characterization of the inherent features of sources and circuits or the study of the output radiation of a given optical setup. The latter approach demands an extensive description of the output fields, but often overlooks the dynamics of the sources. Conversely, the former discards most of the information about the single trajectories, which are observed in experimental measurements. In this work we provide a natural link between the two frameworks by exploiting the thermodynamics of quantum trajectories. This procedure enables investigation of the quantum properties of the photon fields from a generic source via the analysis of the fluctuations and correlations of time-integrated quantities associated with the photon counting of the emitted light.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2019-09-09 |