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Phase Conjugation and Mode Conversion in Stimulated Parametric Down-Conversion with Orbital Angular Momentum: a Geometrical Interpretation

de Oliveira, A. G. ; Arruda, M. F. Z. ; Soares, W. C. ; Walborn, S. P. ; Khoury, A. Z. ; Kanaan, A. ; Ribeiro, P. H. Souto ; de Araújo, R. Medeiros

Brazilian journal of physics, 2019-02, Vol.49 (1), p.10-16 [Periódico revisado por pares]

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Título:
Phase Conjugation and Mode Conversion in Stimulated Parametric Down-Conversion with Orbital Angular Momentum: a Geometrical Interpretation
Autor: de Oliveira, A. G. ; Arruda, M. F. Z. ; Soares, W. C. ; Walborn, S. P. ; Khoury, A. Z. ; Kanaan, A. ; Ribeiro, P. H. Souto ; de Araújo, R. Medeiros
Assuntos: Angular momentum ; Condensed Matter ; Conjugation ; Conversion ; Light beams ; Optical Parametric Oscillators ; Parametric amplifiers ; Phase conjugation ; Physics ; Physics and Astronomy ; Poincare spheres ; Superposition (mathematics)
É parte de: Brazilian journal of physics, 2019-02, Vol.49 (1), p.10-16
Descrição: We report on an experiment that investigates the spatial mode conversion in the process of parametric down-conversion seeded by a light beam in a superposition of orbital angular momentum modes. This process is interpreted in terms of a geometric representation of first-order spatial modes in a Poincaré sphere, providing an intuitive image of the phase conjugation and the topological charge conservation. We also make a comparison with the analogous phenomenon for optical parametric oscillators.
Editor: New York: Springer US
Idioma: Inglês

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