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Q: Fachverband Quantenoptik und Photonik

Q 11: Quantum Optics I

Q 11.5: Vortrag

Montag, 9. März 2020, 15:00–15:15, f342

Witnessing non-classicality through large deviations in quantum optics — •Dario Cilluffo^1,2,3,4, Giuseppe Buonaiuto^3,4,5, Salvatore Lorenzo¹, Gioacchino Massimo Palma^1,2, Francesco Ciccarello^1,2, Federico Carollo^3,4, and Igor Lesanovsky^3,4,5 — ¹Università degli Studi di Palermo, Dipartimento di Fisica e Chimica - Emilio Segrè, via Archirafi 36, I-90123 Palermo, Italy — ²NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, 56127 Pisa, Italy — ³School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom — ⁴Centre for the Mathematics and Theoretical Physics of Quantum Non-equilibrium Systems, University of Nottingham, Nottingham, NG7 2RD, United Kingdom — ⁵Institut fuer Theoretische Physik, Universitaet Tuebingen, Auf der Morgenstelle 14, 72076 Tuebingen, Germany

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. 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.