26 citations · 86 across the 16 of their papers we have counts for
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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…