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Interplay of coherent and dissipative dynamics in condensates of light

  • Based on the Lindblad master equation approach we obtain a detailed microscopic model of photons in a dye-filled cavity, which features condensation of light. To this end we generalise a recent non-equilibrium approach of Kirton and Keeling such that the dye-mediated contribution to the photon-photon interaction in the light condensate is accessible due to an interplay of coherent and dissipative dynamics. We describe the steady-state properties of the system by analysing the resulting equations of motion of both photonic and matter degrees of freedom. In particular, we discuss the existence of two limiting cases for steady states: photon Bose-Einstein condensate and laser-like. In the former case, we determine the corresponding dimensionless photon-photon interaction strength by relying on realistic experimental data and find a good agreement with previous theoretical estimates. Furthermore, we investigate how the dimensionless interaction strength depends on the respective system parameters.

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Author:Milan Radonjić, Wassilij Kopylov, Antun Balaž, Axel Pelster
URN (permanent link):urn:nbn:de:hbz:386-kluedo-53522
ISSN:1367-2630
Parent Title (English):New Journal of Physics
Publisher:IOP Publishing
Place of publication:Bristol
Editor(s):Dimitris Angelakis, Cristiano Ciuti, Pedram Roushan, Alex Szameit
Document Type:Article
Language of publication:English
Publication Date:2018/05/31
Year of Publication:2018
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2018/08/08
Tag:open dissipative quantum systems; photon Bose-Einstein condensate; photon-photon interaction
GND-Keyword:Atom-Photon-Wechselwirkung; Bose-Einstein-Kondensation; Photon-Photon-Wechselwirkung
Issue:20
Number of page:15
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 530 Physik
PACS-Classification (physics):40.00.00 ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS / 42.00.00 Optics (for optical properties of gases, see 51.70.+f; for optical properties of bulk materials and thin films, see 78.20.-e; for x-ray optics, see 41.50.+h) / 42.50.-p Quantum optics (for lasers, see 42.55.-f and 42.60.-v; see also 42.65.-k Nonlinear optics; 03.65.-w Quantum mechanics) / 42.50.Ct Quantum description of interaction of light and matter; related experiments
Collections:Open-Access-Publikationsfonds
Licence (German):Creative Commons 4.0 - Namensnennung (CC BY 4.0)