NDLI: Talbot Effect for Exciton Polaritons.

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Talbot Effect for Exciton Polaritons.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Gao, T. Estrecho, E. Li, G. Egorov, O. A. Ma, X. Winkler, K. Kamp, M. Schneider, C. Höfling, S. Truscott, A. G. Ostrovskaya, E. A.
Description	Country affiliation: Australia Author Affiliation: Gao T ( Research School of Physics and Engineering, The Australian National University, Canberra ACT 2601, Australia.); Estrecho E ( Research School of Physics and Engineering, The Australian National University, Canberra ACT 2601, Australia.); Li G ( Research School of Physics and Engineering, The Australian National University, Canberra ACT 2601, Australia.); Egorov OA ( Institute of Condensed Matter Theory and Solid State Optics, Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Max-Wien-Platz 1, 07743 Jena, Germany.); Ma X ( Department of Physics and Center for Optoelectronics and Photonics Paderborn (CeOPP), Universität Paderborn, Warburger Strasse 100, 33098 Paderborn, Germany.); Winkler K ( Technische Physik, Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany.); Kamp M ( Technische Physik, Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany.); Schneider C ( Technische Physik, Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany.); Höfling S ( Technische Physik, Wilhelm-Conrad-Röntgen-Research Center for Complex Material Systems, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany.); Truscott AG ( Scottish Universities Physics Alliance (SUPA), School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, United Kingdom.); Ostrovskaya EA ( Research School of Physics and Engineering, The Australian National University, Canberra ACT 2601, Australia.)
Abstract	We demonstrate, experimentally and theoretically, a Talbot effect for hybrid light-matter waves-an exciton-polariton condensate formed in a semiconductor microcavity with embedded quantum wells. The characteristic 'Talbot carpet' is produced by loading the exciton-polariton condensate into a microstructured one-dimensional periodic array of mesa traps, which creates an array of phase-locked sources for coherent polariton flow in the plane of the quantum wells. The spatial distribution of the Talbot fringes outside the mesas mimics the near-field diffraction of a monochromatic wave on a periodic amplitude and phase grating with the grating period comparable to the wavelength. Despite the lossy nature of the polariton system, the Talbot pattern persists for distances exceeding the size of the mesas by an order of magnitude. Thus, our experiment demonstrates efficient shaping of the two-dimensional flow of coherent exciton polaritons by a one-dimensional 'flat lens.'
File Format	HTM / HTML
ISSN	00319007
e-ISSN	10797114
Journal	Physical Review Letters
Issue Number	9
Volume Number	117
Language	English
Publisher	American Physical Society
Publisher Date	2016-08-26
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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