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Fleischhauer M, Otterbach J, Unanyan RG. Bose-Einstein condensation of stationary-light polaritons. Phys Rev Lett. 2008;101(16):163601doi: 10.1103/PhysRevLett.101.163601.
Fleischhauer, M., Otterbach, J., & Unanyan, R. G. (2008). Bose-Einstein condensation of stationary-light polaritons. Physical review letters, 101(16), 163601. https://doi.org/10.1103/PhysRevLett.101.163601
Fleischhauer, Michael, et al. "Bose-Einstein condensation of stationary-light polaritons." Physical review letters vol. 101,16 (2008): 163601. doi: https://doi.org/10.1103/PhysRevLett.101.163601
Fleischhauer M, Otterbach J, Unanyan RG. Bose-Einstein condensation of stationary-light polaritons. Phys Rev Lett. 2008 Oct 17;101(16):163601. doi: 10.1103/PhysRevLett.101.163601. Epub 2008 Oct 16. PMID: 18999667.
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Phys Rev Lett. 2008 Oct 17;101(16):163601. doi: 10.1103/PhysRevLett.101.163601. Epub 2008 Oct 16.

Bose-Einstein condensation of stationary-light polaritons.

Physical review letters

Michael Fleischhauer, Johannes Otterbach, Razmik G Unanyan

Affiliations

  1. Fachbereich Physik, Technische Universität Kaiserslautern, Kaiserslautern, Germany.

PMID: 18999667 DOI: 10.1103/PhysRevLett.101.163601

Abstract

We propose and analyze a mechanism for Bose-Einstein condensation of stationary dark-state polaritons. Dark-state polaritons (DSPs) are formed in the interaction of light with laser-driven 3-level Lambda-type atoms and are the basis of phenomena such as electromagnetically induced transparency, ultraslow, and stored light. They have long intrinsic lifetimes and in a stationary setup, a 3D quadratic dispersion profile with variable effective mass. Since DSPs are bosons, they can undergo a Bose-Einstein condensation at a critical temperature which can be many orders of magnitude larger than that of atoms. We show that thermalization of polaritons can occur via elastic collisions mediated by a resonantly enhanced optical Kerr nonlinearity on a time scale short compared to the decay time. Finally, condensation can be observed by turning stationary into propagating polaritons and monitoring the emitted light.

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