High-accuracy SU(1,1) interferometers with minimum-uncertainty input states

被引：12
作者：
Brif, C
Mann, A
机构：
[1] Department of Physics, Technion - Israel Inst. of Technol.
来源：
PHYSICS LETTERS A | 1996年 / 219卷 / 5-6期
关键词：
D O I：
10.1016/0375-9601(96)00459-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We obtain an exact analytical expression for the phase sensitivity of an SU(1,1) interferometer fed with two-mode field stares which are minimum-uncertainty states for the SU(1,1) generators. These states optimize the uncertainty relation which makes possible an essential improvement of the measurement accuracy of the interferometer.
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页码：257 / 262
页数：6
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