most citedScalable symmetry detector and its applications by using beam splitters and weak nonlinearities

4 citations

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2 papers

quant-ph2017★ 1 cited

On four-photon entanglement from parametric down-conversion process

Dong Ding, Yingqiu He, Fengli Yan +1

We propose two schemes to generate four-photon polarization-entangled states from the second-order emission of the spontaneous parametric down-conversion process. By using linear o…

quant-ph2017★ 4 cited

Scalable symmetry detector and its applications by using beam splitters and weak nonlinearities

Yingqiu He, Dong Ding, Fengli Yan +1

We describe a method to detect twin-beam multiphoton entanglement based on a beam splitter and weak nonlinearities. For the twin-beam four-photon entanglement, we explore a symmetr…