作者机构:[1]The Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China, [2]Center for Cold Atom Physics, Chinese Academy of Sciences, Shanghai 201800, China
相关基金:Project supported by the State Key Basic Research Program (Grant No 2006CB921202) and the National Natural Science Foundation of China (Grant No 10334050).We thank Tang J Y (Department of Physics, Zhejiang University) for fabricating the chip.