基金Project supported by NSF of China(10774012,10874014)NSF of Beijing Jiaotong University(2006XM038,2007XM648)Key Laboratory of Luminescence and Optical Information(Beijing Jiaotong University),Ministry of Education(2010LOI10)~~
基金supported by the National Natural Science Foundation of China(20733001,20973015)National Key Basic Research Program of China(973)(2006CB910300,2010CB912302)~~