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Open Quantum Systems Decoherence Photonic Quantum Computing Entanglement Theory Quantum Correlations

Scalable scheme for entangling multiple ququarts using linear optical elements

arXiv
Authors: So-Young Baek, Yoon-Ho Kim

Year

2007

Paper ID

49476

Status

Preprint

Abstract Read

~2 min

Abstract Words

70

Citations

N/A

Abstract

We report a scalable linear optical scheme for generating entangled states of multiple ququarts in which the individual single-ququart state is prepared with the biphoton polarization state of frequency-nondegenerate spontaneous parametric down-conversion. The output state is calculated with the full consideration of the higher order effect (double-pair events) of spontaneous parametric down-conversion. Scalability to multiple-ququart entanglement is demonstrated with examples: linear optical entanglement of three and four individual biphoton ququarts.

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  • We report a scalable linear optical scheme for generating entangled states of multiple ququarts in which the individual single-ququart state is prepared with the biphoton...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0708.0447 [2] arXiv https://arxiv.org/abs/0708.0447 [3] Publisher https://arxiv.org/abs/0708.0447

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