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Ultra-Low Mean-Photon-Number Measurement with Balanced Optical Heterodyne Detection
作者姓名:李刚  李利平  杜志静  刘涛  张天才  王军民
作者单位:StateKeyLaboratoryofQuantumOpticsandQuantumOpticsDevices,InstituteofOpto-Electronics,ShanxiUniversity,Taiyuan030006
摘    要:Determination of an ultra-low mean photon number is an important issue, either for precise optical measurement or understanding the interaction between individual atoms and photons inside an optical cavity. By utilizing a homemade balanced optical heterodyne detection system, the cw minimum measurable power of 3.6 fW has been

关 键 词:光外差探测  光学测量  光子数测量  量子光学  光路设计
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