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Type: Artigo de evento
Title: Entanglement Of Excitonic States And Quantum Information Processing In Semiconductors
Author: Dacal L.C.O.
Brum J.A.
Abstract: A review of semiconductor-based schemes for the implementation of quantum information processing devices is presented. After recalling the fundamentals of quantum information/computation theory, we shall discuss two potential implementation schemes based on charge degrees of freedom in semiconductor nanostructures. More specifically, we shall present an all-optical implementation of quantum information processing with semiconductor macroatoms/molecules. In this case the computational degrees of freedom are interband optical transitions driven by ultrafast sequences of multicolor laser-pulse trains. As alternative approach, we shall also discuss a transport-like scheme based on ballistic electrons in coupled semiconductor quantum wires. Within such implementation strategy, we shall finally propose a relatively simple quantum gating sequence for testing Bell inequality violations in a condensed-matter environment.
Rights: fechado
Identifier DOI: 10.1002/1521-396X(200204)190:3<817::AID-PSSA817>3.0.CO;2-7
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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