Hexapartite Entanglement in an above-Threshold Optical Parametric Oscillator.

Barbosa, F A S; Coelho, A S; Muñoz-Martínez, L F; Ortiz-Gutiérrez, L; Villar, A S; Nussenzveig, P; Martinelli, M

Barbosa, F A S; Coelho, A S; Muñoz-Martínez, L F; Ortiz-Gutiérrez, L; Villar, A S; Nussenzveig, P; Martinelli, M.

Afiliación

Barbosa FAS; Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859 Campinas, São Paulo, Brazil.
Coelho AS; Departamento de Engenharia Mecânica, Universidade Federal do Piauí, 64049-550 Teresina, Piauí, Brazil.
Muñoz-Martínez LF; Departamento de Engenharia, Centro Universitário UNINOVAFAPI, 64073-505 Teresina, Piauí, Brazil.
Ortiz-Gutiérrez L; Departamento de Ciencias Básicas, Universidad del Sinú-Elías Bechara Zainúm, Cra 1w # 38-153, Montería, Córdoba, Colombia.
Villar AS; Instituto de Física de São Carlos, Universidade de São Paulo, P.O. Box 369, 13560-970 São Carlos, São Paulo, Brazil.
Nussenzveig P; American Physical Society, 1 Research Road, Ridge, New York 11961, USA.
Martinelli M; Instituto de Física da Universidade de São Paulo, P.O. Box 66318, 05315-970 São Paulo, Brazil.

Phys Rev Lett ; 121(7): 073601, 2018 Aug 17.

Article en En | MEDLINE | ID: mdl-30169057

RESUMEN

We demonstrate, theoretically and experimentally, the generation of hexapartite modal entanglement by the optical parametric oscillator (OPO) operating above the oscillation threshold. We show that the OPO generates a rich structure of entanglement among sets of six optical sideband modes interacting through the nonlinear crystal. The class of quantum states thus produced can be controlled by a single parameter, the power of the external laser that pumps the system. Our platform allows for the generation of massive entanglement among many optical modes with well defined but vastly different frequencies, potentially bridging nodes of a multicolor quantum network.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2018 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Estados Unidos

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