Effective quantum efficiency in the pulsed homodyne detection of a n-photon state

被引：30
|
作者：
Grosshans, F [1 ]
Grangier, P [1 ]
机构：
[1] Inst Opt Theor & Appl, Lab Charles Fabry, F-91403 Orsay, France
来源：
EUROPEAN PHYSICAL JOURNAL D | 2001年 / 14卷 / 01期
关键词：
PACS. 42.50.Dv Nonclassical field states; squeezed, antibunched, and sub-Poissonian states; operational definitions of the phase of the field; phase measurements – 42.50.Ar Photon statistics and coherence theory – 42.65.Re Ultrafast processes; optical pulse generation and pulse compression;
D O I：
10.1007/s100530170243
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Homodyne detection can be used to perform measurements on various quantum states of the light, such as conditional single photon states produced by parametric fluorescence processes. In the pulsed regime, the time and frequency overlap between the single photon wave packet and the local oscillator field plays a crucial role. We show in this paper that this overlap can be characterized by an effective quantum efficiency, which is explicitly calculated in various situations of experimental interest.
引用
收藏
页码：119 / 125
页数：7
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