TY - JOUR
T1 - Photon polarization entanglement induced by biexciton
T2 - Experimental evidence for violation of Bell's inequality
AU - Oohata, Goro
AU - Shimizu, Ryosuke
AU - Edamatsu, Keiichi
PY - 2007/4/3
Y1 - 2007/4/3
N2 - We have investigated the polarization entanglement between photon pairs generated from a biexciton in a CuCl single crystal via resonant hyperparametric scattering. The pulses of a high repetition pump are seen to provide improved statistical accuracy and the ability to test Bell's inequality. Our results clearly violate the inequality and thus manifest the quantum entanglement and nonlocality of the photon pairs. We also analyzed the quantum state of our photon pairs using quantum state tomography.
AB - We have investigated the polarization entanglement between photon pairs generated from a biexciton in a CuCl single crystal via resonant hyperparametric scattering. The pulses of a high repetition pump are seen to provide improved statistical accuracy and the ability to test Bell's inequality. Our results clearly violate the inequality and thus manifest the quantum entanglement and nonlocality of the photon pairs. We also analyzed the quantum state of our photon pairs using quantum state tomography.
UR - http://www.scopus.com/inward/record.url?scp=34047265020&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=34047265020&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.98.140503
DO - 10.1103/PhysRevLett.98.140503
M3 - Article
AN - SCOPUS:34047265020
SN - 0031-9007
VL - 98
JO - Physical Review Letters
JF - Physical Review Letters
IS - 14
M1 - 140503
ER -