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Observation of triangular-lattice pattern in nonlinear wave mixing with optical vortices

Autor: da Silva, B. Pinheiro, Santos, G. H. dos, de Oliveira, A. G., da Silva, N. Rubiano, Buono, W. T., Gomes, R. M., Soares, W. C., Jesus-Silva, A. J., Fonseca, E. J. S., Ribeiro, P. H. Souto, Khoury, A. Z.

A triangular-lattice pattern is observed in light beams resulting from the spatial cross modulation between an optical vortex and a triangular shaped beam undergoing parametric interaction. Both up- and down-conversion processes are investigated, and

Externí odkaz: http://arxiv.org/abs/2206.06153

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Probing the reciprocal lattice associated with a triangular slit to determine the orbital angular momentum for a photon

Autor: Soares, W. C., Moura, A. L., Canabarro, Askery, De Lima, E., Lopes, J. H., Fonseca, E. J. S., Felisberto, M. L., Bernardo, B. De Lima, Hickmann, J. M., Chavezcerda, S.

The orbital angular momentum conservation of light reveals different diffraction patterns univocally dependent on the topological charge of the incident light beam when passing through a triangular aperture. It is demonstrated that these patterns, wh

Externí odkaz: http://arxiv.org/abs/2005.13106

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Real-time Phase Conjugation of Vector Vortex Beams

Autor: de Oliveira, A. G., Arruda, M. F. Z., Soares, W. C., Walborn, S. P., Gomes, R. M., de Araújo, R. Medeiros, Ribeiro, P. H. Souto

Publikováno v: ACS Photonics 2020, 7, 1, 249-255

Vector vortex beams have played a fundamental role in the better understanding of coherence and polarization. They are described by spatially inhomogeneous polarization states, which present a rich optical mode structure that has attracted much atten

Externí odkaz: http://arxiv.org/abs/1910.07437

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Experimental realization of a quantum CNOT gate for orbital angular momentum and polarization with linear optical elements

Autor: Lopes, J. H., Soares, W. C., Bernardo, B. L., Caetano, D. P., Canabarro, Askery

We propose and experimentally demonstrate that a Mach-Zehnder interferometer composed of polarized beam splitters and a pentaprism in the place of one of the mirrors works as a linear optical quantum controlled-NOT (CNOT) gate. To perform the informa

Externí odkaz: http://arxiv.org/abs/1807.06065

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Klyshko's Advanced-Wave Picture in Stimulated Parametric Down-Conversion with a Spatially Structured Pump Beam

Autor: Arruda, M. F. Z., Soares, W. C., Walborn, S. P., Tasca, D. S., Kanaan, A., de Araújo, R. Medeiros, Ribeiro, P. H. Souto

Publikováno v: Phys. Rev. A 98, 023850 (2018)

The advanced-wave picture is "... an intuitive treatment of two-photon correlation with the help of the concept of an effective field acting upon one of the two detectors and formed by parametric conversion of the advanced wave emitted by the second

Externí odkaz: http://arxiv.org/abs/1805.06484

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Akademický článek

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Effects of insecticides from botanic extracts on Hypothenemus hampei (Ferrari) (COLEOPTERA: CURCULIONIDAE)

Autor: SOARES, W. P., COSTA, J. N. M., VIEIRA JUNIOR, J. R., CIPRIANI, H. N., SOUZA, J. G. DE, FERNANDES, C. de F.

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

Made available in DSpace on 2022-06-02T13:19:22Z (GMT). No. of bitstreams: 1 ART22054.pdf: 387668 bytes, checksum: 8867352ae632da6220496d9e549ae94e (MD5) Previous issue date: 2022 Título em português: Atividade inseticida de extratos botânicos sob

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::db90d800d9c108a5751b6a6a5e119b43
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1143640

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Arduino based digital luxmeter for didactical laboratory use

Autor: Pereira, C. B., Berleze, S. L. M., Soares, W. A., Serbena, J. P. M.

Publikováno v: Revista Brasileira de Ensino de Física, Volume: 43, Article number: e20200502, Published: 26 FEB 2021

Este trabalho teve como finalidade a construção de um luxímetro utilizando um fotodetector/conversor luz em frequência (LTF, do inglês “light to frequency”) e plataforma Arduino. As etapas de execução consistiram no desenvolvimento do cód

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______608::84b8bae6d237ab1ff78a5200bd2d355c
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-11172021000100709&lng=en&tlng=en

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