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Onset and dynamics of vortex-antivortex pairs in polariton optical parametric oscillator superfluids
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Tosi, G. (Guilherme), Marchetti, F. M., Sanvitto, D., Antón, C., Szymanska, M. H. (Marzena H.), Berceanu, A., Tejedor, C., Marrucci, L., Lemaître, A. (Aristide), Bloch, J. (Jacqueline) and Viña, Luis (2011) Onset and dynamics of vortex-antivortex pairs in polariton optical parametric oscillator superfluids. Physical Review Letters, Vol.107 (No.3). Article 036401 . doi:10.1103/PhysRevLett.107.036401 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.107.036401
Abstract
We study, both theoretically and experimentally, the occurrence of topological defects in polariton superfluids in the optical parametric oscillator (OPO) regime. We explain in terms of local supercurrents the deterministic behavior of both the onset and dynamics of vortex-antivortex pairs generated by perturbing the system with a pulsed probe. Using a generalized Gross-Pitaevskii equation, including photonic disorder, pumping and decay, we elucidate the reason why topological defects form in couples and can be detected by direct visualizations in multishot OPO experiments.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Superfluidity, Parametric oscillators, Polaritons, Nonlinear optics | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 12 July 2011 | ||||
| Dates: |
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| Volume: | Vol.107 | ||||
| Number: | No.3 | ||||
| Page Range: | Article 036401 | ||||
| DOI: | 10.1103/PhysRevLett.107.036401 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | Spain. Ministerio de Ciencia e Innovación (MCINN) , Spain. Ministerio de Educación y Ciencia (MEC), Madrid (Spain : Region) (CAM), Seventh Framework Programme (European Commission) (FP7) | ||||
| Grant number: | MAT2008-01555 (MEC), QOIT-CSD2006-00019 (MEC), S-2009/ESP-1503 (CAM), 235114 (FP7) |
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