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Photonic Quantum Computing Quantum Foundations

Programmable entanglement oscillations in a non Markovian channel

arXiv

Authors: Simone Cialdi, Davide Brivio, Enrico Tesio, Matteo G. A. Paris

Year

2010

Paper ID

11238

Status

Preprint

Abstract Read

~2 min

Abstract Words

102

Citations

N/A

Abstract

We suggest and demonstrate an all-optical experimental setup to observe and engineer entanglement oscillations of a pair of polarization qubits in a non-Markovian channel. We generate entangled photon pairs by spontaneous parametric downconversion (SPDC), and then insert a programmable spatial light modulator in order to impose a polarization dependent phase-shift on the spatial domain of the SPDC output and to create an effective non-Markovian environment. Modulation of the enviroment spectrum is obtained by inserting a spatial grating on the signal arm. In our experiment, programmable oscillations of entanglement are achieved, with the maximally revived state that violates Bell's inequality by 17 standard deviations.

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This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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We suggest and demonstrate an all-optical experimental setup to observe and engineer entanglement oscillations of a pair of polarization qubits in a non-Markovian channel.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1009.3228 [2] arXiv https://arxiv.org/abs/1009.3228 [3] Publisher https://arxiv.org/abs/1009.3228

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