All-versus-nothing violation of local realism by two-photon, four-dimensional entanglement.
We develop and exploit a source of two-photon, four-dimensional entanglement to report the first two-particle all-versus-nothing test of local realism with a linear optics setup, but without resorting to a noncontextuality assumption. Our experimental results are in good agreement with quantum mechanics while in extreme contradiction to local realism. Potential applications of our experiment are briefly discussed.
Yang
Tao
T
Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China.
Zhang
Qiang
Q
Zhang
Jun
J
Yin
Juan
J
Zhao
Zhi
Z
Zukowski
Marek
M
Chen
Zeng-Bing
ZB
Pan
Jian-Wei
JW