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Title
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Stochastic precession of the polarization in a polariton laser
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Author
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Abstract
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| Microcavity polaritons in the lasing regime undergo a spontaneous symmetry-breaking transition resulting in coherent emission with a well-defined polarization. The order parameter is thus a vector describing both the laser global phase and its polarization. Using an ultrafast single-shot detection technique, we show that polariton lasing in GaAs-based microcavities presents a high degree of second-order coherence [g((2))(tau = 0) approximate to 1] above threshold, and that the initial polarization is stochastic, taking any possible direction in the Poincare sphere (linear, elliptical, or circular). Once the polarization direction is established, subsequent oscillations of the emission probability witness the presence of an intrinsic polarization splitting. These results show the intricate polarization dynamics in the onset of polariton lasers. |
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Language
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English
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Source (journal)
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Physical review B / American Physical Society. - New York, N.Y, 2016, currens
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Publication
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New York, N.Y
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American Physical Society
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2016
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ISSN
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2469-9969
[online]
2469-9950
[print]
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DOI
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10.1103/PHYSREVB.93.115313
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Volume/pages
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93
:11
(2016)
, 8 p.
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Article Reference
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115313
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ISI
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000372715500002
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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