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Continuous variable quantum information on silicon chips

Grant number: 13/26757-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2014
Effective date (End): February 28, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal researcher:Paulo Alberto Nussenzveig
Grantee:Renato Ribeiro Domeneguetti
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:10/08448-2 - Quantum information with continuous variables of atoms and light, AP.TEM


Our group has been studying the optical parametric oscillator (OPO) as a source of entangled quantum states of light beams. A natural application for these entangled states is the realization of quantum communication. We started last year a collaboration with the group led by Prof. Michal Lipson of Cornell University, a pioneer in the area of nanophotonics with silicon chips, demonstrating possibilities for ultrafast modulation, confinement of light in very small volumes, and nonlinear optics on chips. In particular, the Cornell group demonstrated the operation of an OPO on a silicon chip. This project aims to study quantum properties of light in OPOs on silicon chips, enabling the use of very efficient classical information systems in quantum information protocols. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
DOMENEGUETTI, Renato Ribeiro. X(2) and X(3) nonlinearities in silicon-based photonic microresonators with parametric oscillation from visible to infrared. 2018. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Física (IF/SBI) São Paulo.

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