Park Hee Su, Cho Jaeyoon, Lee Jae Yong, Lee Dong-Hoon, Choi Sang-Kyung
Division of Advanced Technology, Korea Research Institute of Standards and Science, 1 Doryong-dong, Yuseong-gu, Daejeon 305-340, Republic of Korea.
Opt Express. 2007 Dec 24;15(26):17960-6. doi: 10.1364/oe.15.017960.
We propose and experimentally demonstrate a two-photon four-qubit cluster state generator using linear optics and a single polarization-entangled photon-pair source based on spontaneous parametric down-conversion (SPDC). Our novel scheme provides greater design flexibility compared to previous schemes that rely on hyperentanglement.
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