States of the optimum Fisher measure of information for quantum interferometry

被引：3
|
作者：
Perinova, V.
Luks, A.
Krepelka, J.
机构：
[1] Palacky Univ, Fac Nat Sci, Lab Quantum Opt, Olomouc 77146, Czech Republic
[2] Palacky Univ, Joint Lab Opt, Olomouc 77207, Czech Republic
[3] Acad Sci Czech Republ, Inst Phys, Olomouc 77207, Czech Republic
来源：
PHYSICAL REVIEW A | 2006年 / 73卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.73.063807
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Fisher's measure of information is compared to the usual measure of sensitivity of the SU(2) and SU(1,1) interferometers. The states of optimum Fisher information measure and prescribed mean photon-number difference are defined, and the properties of these states are studied in the SU(2) interferometer.
引用
收藏
页数：10
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