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Exploring six modes of an optical parametric oscillator

Luis F. Muñoz-Martínez, Felippe Alexandre Silva Barbosa, Antônio Sales Coelho, Luis Ortiz-Gutiérrez, Marcelo Martinelli, Paulo Nussenzveig, and Alessandro S. Villar
Phys. Rev. A 98, 023823 – Published 13 August 2018
Physics logo See Synopsis: A Sextet of Entangled Laser Modes

Abstract

We measure the complete quantum state for six modes of the electromagnetic field produced by an optical parametric oscillator. The investigation involves the sidebands of the intense pump, signal, and idler fields generated by stimulated parametric down-conversion inside a triply resonant optical resonator. We develop a theoretical model to successfully interpret the experimental results. The model takes into account the coupling of the field modes to the phonon bath of the nonlinear crystal, clearly showing the roles of different physical effects in shaping the structure of the quantum correlations between the six optical modes.

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  • Received 6 March 2018

DOI:https://doi.org/10.1103/PhysRevA.98.023823

©2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Synopsis

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A Sextet of Entangled Laser Modes

Published 13 August 2018

Researchers have entangled six modes of a laser cavity—a record number for such a device.

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Authors & Affiliations

Luis F. Muñoz-Martínez1,2, Felippe Alexandre Silva Barbosa3, Antônio Sales Coelho4,5, Luis Ortiz-Gutiérrez6, Marcelo Martinelli7,*, Paulo Nussenzveig7, and Alessandro S. Villar8

  • 1Departamento de Física, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil
  • 2Departamento de Ciencias Básicas, Universidad del Sinú-Elías Bechara Zainúm, Cra 1w # 38-153, Montería, Córdoba, Colombia
  • 3Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, 13083-859 Campinas, São Paulo, Brazil
  • 4Departamento de Engenharia Mecânica, Universidade Federal do Piauí, 64049-550 Teresina, Piauí, Brazil
  • 5Departamento de Engenharia, Centro Universitário UNINOVAFAPI, 64073-505 Teresina, Piauí, Brazil
  • 6Instituto de Física de São Carlos, Universidade de São Paulo, P.O. Box 369, 13560-970 São Carlos, São Paulo, Brazil
  • 7Instituto de Física, Universidade de São Paulo, P.O. Box 66318, 05315-970 São Paulo, Brazil
  • 8American Physical Society, 1 Research Road, Ridge, New York 11961, USA

  • *mmartine@if.usp.br

See Also

Hexapartite Entanglement in an above-Threshold Optical Parametric Oscillator

F. A. S. Barbosa, A. S. Coelho, L. F. Muñoz-Martínez, L. Ortiz-Gutiérrez, A. S. Villar, P. Nussenzveig, and M. Martinelli
Phys. Rev. Lett. 121, 073601 (2018)

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Vol. 98, Iss. 2 — August 2018

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