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Using atoms to manipulate cluster states

Grant number: 20/03606-0
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): June 01, 2020
Effective date (End): January 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Principal Investigator:Marcelo Martinelli
Grantee:Gabriel da Cruz Borba de Andrade
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

Abstract

Cluster states have been suggested as a quantum information resource for information processing. They may be used in quantum computation process and quantum process simulators/emulators. The challenge now it to generate and keep the entanglement in these systems along the information processing.We propose the use of cascaded optical parametric oscillators, pumped by multiple frequencies, that may lead to the coupling of pairs of longitudinal modes of the electromagnetic field. The combination of these amplifiers with our measurement techniques should demonstrate feasible configurations for information processing. (AU)