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Strong-coupling limit of the driven dissipative light-matter interaction
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 12019 (English)In: Physical Review A: covering atomic, molecular, and optical physics and quantum information, ISSN 2469-9926, E-ISSN 2469-9934, Vol. 100, no 3, article id 033810Article in journal (Refereed) Published
Abstract [en]

We approach the strong-coupling thermodynamic limit in the response of the open driven Jaynes-Cummings (JC) oscillator. We do so by highlighting the role of quantum fluctuations against the semiclassical response in three distinct regimes of operation. We begin by demonstrating the persistence of photon blockade, predicted in Carmichael [Phys. Rev. X 5, 031028 (2015)], as a manifestation of the inherently quantum and nonlinear JC spectrum revealed for vanishing dissipation. We then proceed to discuss the importance of bistability, which, despite being present in photon blockades, is able to provide an alignment between the semiclassical nonlinearity and quantum dynamics only for a driving amplitude having the same order of magnitude as the light-matter coupling strength. This resolution brings us to the critical point of the well-known quantum-phase transition of second order on resonance, where the quantum and semiclassical pictures are once more contrasted for a varying participation of the two coherent interactions when going through the collapse of the quasienergy spectrum.

Place, publisher, year, edition, pages
2019. Vol. 100, no 3, article id 033810
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-174859DOI: 10.1103/PhysRevA.100.033810ISI: 000485188200009OAI: oai:DiVA.org:su-174859DiVA, id: diva2:1360851
Available from: 2019-10-14 Created: 2019-10-14 Last updated: 2019-10-14Bibliographically approved

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Mavrogordatos, Themistoklis K.
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