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Control of quantum information with continuous variables of light beams

Grant number: 14/27223-2
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): May 01, 2015
Effective date (End): August 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Marcelo Martinelli
Grantee:Breno Marques Goncalves Teixeira
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:15/18834-0 - Exploring quantum information with atoms, crystals and chips, AP.TEM


We aim at the generation of intense entangled light beams, with quantum correlations that are strong enough for successful implementation of teleportation in the continuous variables domain. Contrary to already existing systems, that rely on interferometry for entanglement generation, manipulation and measurement, we will use intense beams and self-homodyning techniques. They are necessary for the transfer of quantum information between different colors in the electromagnetic spectra. This will be the only setup with the ability to convey quantum information among systems operating at different wavelengths, allowing the building of hybrid architectures in quantum information and successful teleportation over longer distances. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
RIBEIRO, BARBARA ABIGAIL FERREIRA; DE ANDRADE, RAYSSA BRUZACA; MARTINELLI, MARCELO; MARQUES, BRENO. Exploring entanglement in open cavity parametric oscillators: From triply to doubly resonant cavities. Physical Review A, v. 102, n. 2 AUG 21 2020. Web of Science Citations: 1.
MARTINEZ, DANIEL; TAVAKOLI, ARMIN; CASANOVA, MAURICIO; CANAS, GUSTAVO; MARQUES, BRENO; LIMA, GUSTAVO. High-Dimensional Quantum Communication Complexity beyond Strategies Based on Bell's Theorem. Physical Review Letters, v. 121, n. 15 OCT 12 2018. Web of Science Citations: 5.
BORGES, G. F.; BALDIJAO, R. D.; CONDE, J. G. L.; CABRAL, J. S.; MARQUES, B.; TERRA CUNHA, M.; CABELLO, A.; PADUA, S. Automated quantum operations in photonic qutrits. Physical Review A, v. 97, n. 2 FEB 2 2018. Web of Science Citations: 1.
HAMEEDI, ALLEY; TAVAKOLI, ARMIN; MARQUES, BRENO; BOURENNANE, MOHAMED. Communication Games Reveal Preparation Contextuality. Physical Review Letters, v. 119, n. 22 NOV 29 2017. Web of Science Citations: 6.
BALDIJAO, R. D.; BORGES, G. F.; MARQUES, B.; SOLIS-PROSSER, M. A.; NEVES, L.; PADUA, S. Proposal for automated transformations on single-photon multipath qudits. Physical Review A, v. 96, n. 3 SEP 18 2017. Web of Science Citations: 3.

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