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Journal article

Build up of off-diagonal long-range order in microcavity exciton-polaritons across the parametric threshold

In Optics Express — 2013, Volume 21, Issue 9, pp. 10792-10800

By Spano, R.1; Cuadra, J.1; Lingg, C.1; Sanvitto, D.1; Martin, M. D.1; Eastham, P. R.2; Poel, Mike van der3; Hvam, Jørn Märcher3,4; Viña, L.1

From

Universidad Autónoma de Madrid1

Trinity College Dublin2

Department of Photonics Engineering, Technical University of Denmark3

Quantum and Laser Photonics, Department of Photonics Engineering, Technical University of Denmark4

We report an experimental study of the spontaneous spatial and temporal coherence of polariton condensates generated in the optical parametric oscillator configuration, below and at the parametric threshold, and as a function of condensate area. Above the threshold we obtain very long coherence times (up to 3 ns) and a spatial coherence extending over the entire condensate (40μm).

The very long coherence time and its dependence on condensate area and pump power reflect the suppression of polariton-polariton interactions by an effect equivalent to motional narrowing.

Language: English
Year: 2013
Pages: 10792-10800
ISSN: 10944087
Types: Journal article
DOI: 10.1364/OE.21.010792
ORCIDs: Hvam, Jørn Märcher
Keywords

Amplifiers, Electronic Equipment Design Equipment Failure Analysis Light Miniaturization Oscillometry Scattering, Radiation Surface Plasmon Resonance

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