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Giant photon bunching, superradiant pulse emission and excitation trapping in quantum-dot nanolasers

Please always quote using this URN: urn:nbn:de:bvb:20-opus-166144
  • Light is often characterized only by its classical properties, like intensity or coherence. When looking at its quantum properties, described by photon correlations, new information about the state of the matter generating the radiation can be revealed. In particular the difference between independent and entangled emitters, which is at the heart of quantum mechanics, can be made visible in the photon statistics of the emitted light. The well-studied phenomenon of superradiance occurs when quantum–mechanical correlations between the emittersLight is often characterized only by its classical properties, like intensity or coherence. When looking at its quantum properties, described by photon correlations, new information about the state of the matter generating the radiation can be revealed. In particular the difference between independent and entangled emitters, which is at the heart of quantum mechanics, can be made visible in the photon statistics of the emitted light. The well-studied phenomenon of superradiance occurs when quantum–mechanical correlations between the emitters are present. Notwithstanding, superradiance was previously demonstrated only in terms of classical light properties. Here, we provide the missing link between quantum correlations of the active material and photon correlations in the emitted radiation. We use the superradiance of quantum dots in a cavity-quantum electrodynamics laser to show a direct connection between superradiant pulse emission and distinctive changes in the photon correlation function. This directly demonstrates the importance of quantum–mechanical correlations and their transfer between carriers and photons in novel optoelectronic devices.show moreshow less

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Metadaten
Author: Frank Jahnke, Christopher Gies, Marc Aßmann, Manfred Bayer, H.A.M. Leymann, Alexander Foerster, Jan Wiersig, Christian Schneider, Martin Kamp, Sven Höfling
URN:urn:nbn:de:bvb:20-opus-166144
Document Type:Journal article
Faculties:Fakultät für Physik und Astronomie / Physikalisches Institut
Language:English
Parent Title (English):Nature Communications
Year of Completion:2016
Volume:7
Issue:11540
Source:Nature Communications 2016, 7:11540. DOI: 10.1038/ncomms11540
DOI:https://doi.org/10.1038/ncomms11540
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Tag:photon bunching; quantum mechanics; superradiant pulse emission
Release Date:2019/07/04
Licence (German):License LogoCC BY: Creative-Commons-Lizenz: Namensnennung 4.0 International