A polariton condensate in a photonic crystal potential landscape

Please always quote using this URN: urn:nbn:de:bvb:20-opus-125050
  • The possibility of investigating macroscopic coherent quantum states in polariton condensates and of engineering polariton landscapes in semiconductors has triggered interest in using polaritonic systems to simulate complex many-body phenomena. However, advanced experiments require superior trapping techniques that allow for the engineering of periodic and arbitrary potentials with strong on-site localization, clean condensate formation, and nearest-neighbor coupling. Here we establish a technology that meets these demands and enables strong,The possibility of investigating macroscopic coherent quantum states in polariton condensates and of engineering polariton landscapes in semiconductors has triggered interest in using polaritonic systems to simulate complex many-body phenomena. However, advanced experiments require superior trapping techniques that allow for the engineering of periodic and arbitrary potentials with strong on-site localization, clean condensate formation, and nearest-neighbor coupling. Here we establish a technology that meets these demands and enables strong, potentially tunable trapping without affecting the favorable polariton characteristics. The traps are based on a locally elongated microcavity which can be formed by standard lithography. We observe polariton condensation with non-resonant pumping in single traps and photonic crystal square lattice arrays. In the latter structures, we observe pronounced energy bands, complete band gaps, and spontaneous condensation at the M-point of the Brillouin zone.show moreshow less

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Metadaten
Author: Karol Winkler, Julian Fischer, Anne Schade, Matthias Amthor, Robert Dall, Jonas Geßler, Monika Emmerling, Elena A. Ostrovskaya, Martin Kamp, Christian Schneider, Sven Höfling
URN:urn:nbn:de:bvb:20-opus-125050
Document Type:Journal article
Faculties:Fakultät für Physik und Astronomie / Physikalisches Institut
Language:English
Parent Title (English):New Journal of Physics
Year of Completion:2015
Volume:17
Pagenumber:023001
Source:New Journal of Physics 17 (2015) 023001. doi:10.1088/1367-2630/17/2/023001
DOI:https://doi.org/10.1088/1367-2630/17/2/023001
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Release Date:2016/02/02
Collections:Open-Access-Publikationsfonds / Förderzeitraum 2015
Licence (German):License LogoCC BY: Creative-Commons-Lizenz: Namensnennung