Unrestricted generation of pure two-qubit states and entanglement diagnosis by single-qubit tomography
NAGIOS: RODERIC FUNCIONANDO

Unrestricted generation of pure two-qubit states and entanglement diagnosis by single-qubit tomography

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Unrestricted generation of pure two-qubit states and entanglement diagnosis by single-qubit tomography

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Gonzales, J; Sánchez, P.; Auccapuclla, F.; Miller, B.; Andrés, M. V.; de Zela, F.
This document is a borradorDate2019
We present an experimental proof-of-principle for the generation and detection of pure two-qubit states which have been encoded in degrees of freedom that are common to both classical-light beams and single photons. Our protocol requires performing polarization tomography on a single qubit from a qubit pair. The degree of entanglement in the qubit pair is measured by concurrence, which can be directly extracted from intensity measurements – or photon counting – entering single-qubit polarization tomography.
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http://doi.org/10.1364/OL.44.003310

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