PHASE MEASUREMENT IN QUANTUM OPTICS

被引：65
作者：
HRADIL, Z
机构：
[1] Lab. of Quantum Opt., Palacky Univ., Olomouc
来源：
QUANTUM OPTICS | 1992年 / 4卷 / 02期
关键词：
D O I：
10.1088/0954-8998/4/2/004
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Shapiro-Wagner phase measurement is addressed here. It is clarified that this concept includes an infinite number of operator realizations of quantum phase measurements, which may be characterized using polar and spectral decomposition. For accurate phase measurement, the regimes of ideal and optimized phase resolution are specified. The former is equivalent to the Susskind-Glogower or Hermitian phase concepts and needs infinite energy on the auxiliary input port. The ultimate phase resolution cannot surpass the limit 1/n, n being the total average number of photons entering both the signal and image input ports.
引用
收藏
页码：93 / 108
页数：16
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