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Photon-statistics excitation spectroscopy of a quantum-dot micropillar laser

  • T. Kazimierczuk
  • , J. Schmutzler
  • , M. Aßmann
  • , C. Schneider
  • , M. Kamp
  • , S. Höfling
  • , M. Bayer

Research output: Contribution to journal › Article › peer-review

Abstract

We introduce photon-statistics excitation spectroscopy and exemplarily apply it to a quantum-dot micropillar laser. Both the intensity and the photon number statistics of the emission from the micropillar show a strong dependence on the photon statistics of the light used for excitation of the sample. The results under coherent and pseudothermal excitation reveal that a description of the laser properties in terms of mean input photon numbers is not sufficient. It is demonstrated that the micropillar acts as a superthermal light source when operated close to its threshold. Possible applications for important spectroscopic techniques are discussed.
Original languageEnglish
Article number027401
JournalPhysical Review Letters
Volume115
Issue number2
DOIs
Publication statusPublished - 7 Jul 2015

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