Entanglement of Gaussian states using a beam splitter RID A-4660-2010 RID B-8901-2008
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We study an experimental scheme to generate Gaussian two-mode entangled states via beam splitter. Specifically, we consider a nonclassical Gaussian state (squeezed state) and a thermal state as two input modes, and evaluate the degree of entanglement at the output. Experimental conditions to generate entangled outputs are completely identified and the critical thermal noise to destroy entanglement is analytically obtained. By doing so, we discuss the possibility to link the resistance to noise in entanglement generation with the degree of single-mode nonclassicality.
DescriptionJournals published by the American Physical Society can be found at http://publish.aps.org/
Subjectoptical beam splitters
CONTINUOUS VARIABLE SYSTEMS