{ "id": "0806.2045", "version": "v1", "published": "2008-06-12T11:17:05.000Z", "updated": "2008-06-12T11:17:05.000Z", "title": "Robust entanglement of a micromechanical resonator with output optical fields", "authors": [ "C. Genes", "A. Mari", "P. Tombesi", "D. Vitali" ], "journal": "Phys. Rev. A 78, 032316 (2008)", "doi": "10.1103/PhysRevA.78.032316", "categories": [ "quant-ph" ], "abstract": "We perform an analysis of the optomechanical entanglement between the experimentally detectable output field of an optical cavity and a vibrating cavity end-mirror. We show that by a proper choice of the readout (mainly by a proper choice of detection bandwidth) one can not only detect the already predicted intracavity entanglement but also optimize and increase it. This entanglement is explained as being generated by a scattering process owing to which strong quantum correlations between the mirror and the optical Stokes sideband are created. All-optical entanglement between scattered sidebands is also predicted and it is shown that the mechanical resonator and the two sideband modes form a fully tripartite-entangled system capable of providing practicable and robust solutions for continuous variable quantum communication protocols.", "revisions": [ { "version": "v1", "updated": "2008-06-12T11:17:05.000Z" } ], "analyses": { "subjects": [ "03.67.Mn", "85.85.+j", "42.50.Wk", "42.50.Lc" ], "keywords": [ "output optical fields", "robust entanglement", "micromechanical resonator", "proper choice", "continuous variable quantum communication protocols" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review A", "year": 2008, "month": "Sep", "volume": 78, "number": 3, "pages": "032316" }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008PhRvA..78c2316G" } } }