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Ghost Branch Photoluminescence From a Polariton Fluid Under Nonresonant Excitation
- Source :
- Phys. Rev. Lett. 115, 186401 (2015)
- Publication Year :
- 2015
-
Abstract
- An expanding polariton condensate is investigated under pulsed nonresonant excitation with a small laser pump spot. Far above the condensation threshold we observe a pronounced increase in the dispersion curvature with a subsequent linearization of the spectrum and strong luminescence from a ghost branch orthogonally polarized with respect to the linearly polarized condensate emission. The presence of the ghost branch has been confirmed in time-resolved measurements. The dissipative and nonequilibrium effects in the photoluminescence of polariton condensates and their excitations are discussed.<br />Comment: 13 pages, 4 figures
- Subjects :
- Condensed Matter - Mesoscale and Nanoscale Physics
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 115, 186401 (2015)
- Publication Type :
- Report
- Accession number :
- edsarx.1503.07402
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.115.186401