Electro-optical switching between polariton and cavity lasing in an InGaAs quantum well microcavity
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- We report on the condensation of microcavity exciton polaritons under optical excitation in a microcavity with four embedded InGaAs quantum wells. The polariton laser is characterized by a distinct nonlinearity in the input-output-characteristics, which is accompanied by a drop of the emission linewidth indicating temporal coherence and a characteristic persisting emission blueshift with increased particle density. The temporal coherence of the device at threshold is underlined by a characteristic drop of the second order coherence function toWe report on the condensation of microcavity exciton polaritons under optical excitation in a microcavity with four embedded InGaAs quantum wells. The polariton laser is characterized by a distinct nonlinearity in the input-output-characteristics, which is accompanied by a drop of the emission linewidth indicating temporal coherence and a characteristic persisting emission blueshift with increased particle density. The temporal coherence of the device at threshold is underlined by a characteristic drop of the second order coherence function to a value close to 1. Furthermore an external electric field is used to switch between polariton regime, polariton condensate and photon lasing.…
Autor(en): | Matthias Amthor, Sebastian Weißenseel, Julian Fischer, Martin Kamp, Christian Schneider, Sven Höfling |
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URN: | urn:nbn:de:bvb:20-opus-111130 |
Dokumentart: | Artikel / Aufsatz in einer Zeitschrift |
Institute der Universität: | Fakultät für Physik und Astronomie / Physikalisches Institut |
Sprache der Veröffentlichung: | Englisch |
Erscheinungsjahr: | 2014 |
Originalveröffentlichung / Quelle: | Optics Express 22, 25 (2014), 31146 - 31153, doi 10.1364/OE.22.031146 |
DOI: | https://doi.org/10.1364/OE.22.031146 |
Sonstige beteiligte Institutionen: | Röntgen Center for Complex Material Systems (RCCM), Am Hubland, 97074 W¨urzburg, Germany |
Allgemeine fachliche Zuordnung (DDC-Klassifikation): | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
Freie Schlagwort(e): | Microcavity devices; Quantum-well, -wire and -dot devices; Resonators; Scattering; stimulated |
Datum der Freischaltung: | 27.03.2015 |
Sammlungen: | Open-Access-Publikationsfonds / Förderzeitraum 2014 |
Lizenz (Deutsch): | Deutsches Urheberrecht |