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INFORMATION-ENTROPIC UNCERTAINTY IN THE MEASUREMENTS OF PHOTON NUMBER AND PHASE IN OPTICAL STATES

被引：25
作者：
ABE, S
机构：
[1] Institute for Theoretical Physics III, University of Erlangen-Nuremberg, W-8520 Erlangen
来源：
PHYSICS LETTERS A | 1992年 / 166卷 / 3-4期
关键词：
D O I：
10.1016/0375-9601(92)90355-P
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using the Pegg-Barnett formalism, we discuss the entropic uncertainty relation associated with number and phase measurements in optical states. Phase information gained in number states by weak squeezing is found to be free from the phase-window ambiguity. We also discuss the appearance of a canonically conjugate nature between number (amplitude) and phase in the classical regime.
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页码：163 / 167
页数：5
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