Ultra-Low Mean-Photon-Number Measurement with Balanced Optical Heterodyne Detection |
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作者姓名: | 李刚 李利平 杜志静 刘涛 张天才 王军民 |
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作者单位: | StateKeyLaboratoryofQuantumOpticsandQuantumOpticsDevices,InstituteofOpto-Electronics,ShanxiUniversity,Taiyuan030006 |
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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
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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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