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Q: Fachverband Quantenoptik und Photonik

Q 31: Poster: Quantum Optics and Photonics I

Q 31.95: Poster

Dienstag, 7. März 2017, 17:00–19:00, P OG1+2

Propagation of field-matter excitations in a microcavity: an application to photon Bose-Einstein condensation — •Yaroslav Gorbachev, Robert Bennett, and Stefan Yoshi Buhmann — Institute of Physics Albert-Ludwigs University of Freiburg Hermann-Herder-Str. 3 D-79104 Freiburg Germany

The progress of the last few years in photonics has led to new challenges in quantum optics. Especially interesting is a new class of systems which are called quantum fluids of light [1]. In these systems light and matter can be combined to create new types of quasiparticles. These particles differ from vacuum photons and are characterized by effective masses and mutual interactions. We are interested in developing a description of the underlying phenomena in a photon BEC. There, photons thermalize through emission and absorption in a dye medium inside a cavity. We use the language of quantum electrodynamics to describe the propagation of composite field-matter excitations in a dye filled optical microcavity. We will present some preliminary results which are related to this problem.

1: J.Klaers, J.Schmidt, F.Vewinger and M.Weitz. Bose-Einstein condensation of photons in an optical microcavity. Nature, 468(7323): 545-548, 2010