{ "id": "1012.1732", "version": "v2", "published": "2010-12-08T10:44:06.000Z", "updated": "2011-04-11T08:48:57.000Z", "title": "Optically erasing disorder in semiconductor microcavities with dynamic nuclear polarization", "authors": [ "T. C. H. Liew", "V. Savona" ], "comment": "4 pages, 3 figures", "journal": "Phys. Rev. Lett. 106, 146404 (2011)", "doi": "10.1103/PhysRevLett.106.146404", "categories": [ "cond-mat.mes-hall" ], "abstract": "The mean squared value of the photonic disorder is found to be reduced by a factor of 100 in a typical GaAs based microcavity, when exposed to a circularly polarized continuous wave optical pump without any special spatial patterning. Resonant excitation of the cavity mode excites a spatially non-uniform distribution of spin-polarized electrons, which depends on the photonic disorder profile. Electrons transfer spin to nuclei via the hyperfine contact interaction, inducing a long-living Overhauser magnetic field able to modify the potential of exciton-polaritons.", "revisions": [ { "version": "v2", "updated": "2011-04-11T08:48:57.000Z" } ], "analyses": { "subjects": [ "71.36.+c", "72.25.Fe", "75.75.-c", "78.67.De" ], "keywords": [ "dynamic nuclear polarization", "optically erasing disorder", "semiconductor microcavities", "continuous wave optical pump", "microcavity" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review Letters", "year": 2011, "month": "Apr", "volume": 106, "number": 14, "pages": 146404 }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011PhRvL.106n6404L" } } }