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

J. Gonzales, P. Sánchez, F. Auccapuclla, B. Miller, M. V. Andrés, F. D.E. Zela

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)

Resumen

We present an experimental proof-of-principle for the generation and detection of pure two-qubit states that 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.

Idioma originalInglés
Páginas (desde-hasta)3310-3313
Número de páginas4
PublicaciónOptics Letters
Volumen44
N.º13
DOI
EstadoPublicada - 2019

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