Laboratório de Óptica Quântica

Instituição: UFRJ

Membros:
Paulo Henrique Souto Ribeiro – Permanente Stephen Patrick Walborn – Permanente Daniel Schneider Tasca – Estudante de Doutorado Osvaldo Jimenez Farias – Estudante de Doutorado Gabriel Horacio Aguilar- Estudante de Doutorado Alessandro Sabóia – Estudante de Doutorado


Temas:
– Fótons gêmeos da conversão paramétrica descendente – Emaranhamento fotônico – Dinâmica do emaranhamento – Criptografia quântica – Emaranhamento com variáveis contínuas

 

Publicações recentes:

Destaques:

Determining the Dynamics of Entanglement O. J. Farías, C. Lombard, S. P. Walborn, L. Davidovich and P. H. Souto Ribeiro Science 324, 1414-1417(2009)

Observation of a nonlocal optical vortex R. M. Gomes, A. Salles, F. Toscano, P. H. Souto Ribeiro, S. P. Walborn Phys. Rev. Lett. 103, 033602 (2009)

Environment Induced Sudden Death of the Entanglement M. P. Almeida, F. Melo, M. Hor-Meyll, A. Salles, S. P. Walborn, P.H. Souto Ribeiro and L. Davidovich Science 316, 579-582(2007)

Experimental determination of entanglement with a single measurement S. P. Walborn,P.H. Souto Ribeiro, L. Davidovich, F. Mintert and A. Buchleitner Nature 440, 1022-1024 (2006)

Publicações recentes

Propagation of transverse intensity correlations of a two-photon state D. S. Tasca, S. P. Walborn, P. H. Souto Ribeiro, F. Toscano and P. Pellat-Finet Phys. Rev. A 79, 033801 (2009)

Detection of transverse entanglement in phase space D. S. Tasca, S. P. Walborn, P. H. Souto Ribeiro and F. Toscano Phys. Rev. A-Rapid Communication 78, 010304(R) (2008)

Quantum random walks and wave-packet reshaping at the single-photon level P. H. Souto Ribeiro, S. P. Walborn, C. Raitz Jr., L. Davidovich, and N. Zagury Phys. Rev. A. 78, 012326 (2008)

Experimental investigation of the dynamics of entanglement: Sudden death, complementarity, and continuous monitoring of the environment A. Salles, F. de Melo, M. P. Almeida, M. Hor-Meyll, S. P. Walborn, P. H. Souto Ribeiro, and L. Davidovich Phys. Rev. A. 78, 022322 (2008)

Schemes for quantum key distribution with higher-order alphabets using single-photon fractional Fourier optics S. P. Walborn, D. S. Lemelle, D. S. Tasca, and P. H. Souto Ribeiro Phys. Rev. A. 77, 062323 (2008)

Quantum Non-Demolition Test of Bipartite Complementarity F. de Melo, S. P. Walborn, János A. Bergou, L. Davidovich Phys. Rev. Lett. 98, 250501 (2007)

Quantum communication without alignment using multiple-qubit single-photon states L. Aollita and S. P. Walborn Phys. Rev. Lett. 98, 100501 (2007)

Experimental determination of entanglement by a projective measurement S.P. Walborn, P.H. Souto Ribeiro, L. Davidovich, F. Mintert, and A. Buchleitner Phys. Rev. A 75, 32338 (2007)

Quantum Key Distribution with Higher-Order Alphabets Using Spatially Encoded Qudits S. P. Walborn, D. S. Lemelle, M. P. Almeida, and P. H. Souto Ribeiro Phys. Rev. Lett. 96, 090501 (2006)

Simultaneous observation of correlations in position-momentum and polarization variables M. P. Almeida, S. P. Walborn, and P. H. Souto Ribeiro Phys. Rev. A-Rapid Communication 73, 040301(R) (2006)

Effects of spatial transverse correlations in second-harmonic generation D. S. Ether, P. H. Souto Ribeiro, C. H. Monken, and R. L. de Matos Filho Phys. Rev. A 73, 053819 (2006)

A simple optical demonstration of quantum cryptography using transverse position and momentum variables D. S. Lemelle, M. P. Almeida, P. H. Souto Ribeiro, and S. P. Walborn Am. J.of Phys. 74, 542 (2006)

Theoretical investigation of moire patterns in quantum images M. P. Almeida, J. A. O. Huguenin, P. H. Souto Ribeiro, and A. Z. Khoury J. Mod. Opt. 53, 777 (2006)

Manipulation and transmission of quantum images M. P. Almeida, D. P. Cateno and P. H. Souto Ribeiro J. Mod. Opt. 53, 729 (2006)

Localização:
Rio de Janeiro – RJ

Link:
http://www.if.ufrj.br/~phsr/qopt/

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