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Coherent processes in atomic media: interfaces for the exchange of quantum information between atoms and light

Grant number: 10/15342-6
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): January 01, 2011
Effective date (End): October 31, 2011
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal researcher:Paulo Alberto Nussenzveig
Grantee:Marcio Heraclyto Gonçalves de Miranda
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:10/08448-2 - Quantum information with continuous variables of atoms and light, AP.TEM

Abstract

Coherent processes in atomic vapor have been under study for a few decades now, revealing subtleties of quantum mechanics. They also add perspectives for different applications, ranging from ultra-precise sensor to quantum memories. In the last few years, we've been investigating the interaction of light with coherently prepared atomic media, in situations of Electromagnetically Induced Transparency (EIT). In this project, we intend to study non-classical properties of light after interaction with atoms, such as squeezing and entanglement. We will also investigate, both theoretically and experimentally, strategies for a coherent exchange of quantum information between atomic systems and macroscopic light beams. (AU)

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