作者机构:[1]Laboratory of Quantum Information Technology, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China, [2]School of Computer, South China Normal University, Cuangzhou 510631, China
相关基金:Project supported by the National Natural Science Foundation of China (Grant No. 61072028), the Key Science and Technology Program of Cuangdong Province of China (Grant No. 2010B010800028), the Natural Science Foundation of Guangdong Province of China (Grant No. 10151063101000048).