Quantum imaging as an ancilla-assisted process tomography

被引：8
|
作者：
Ghalaii, M. [1 ,2 ]
Afsary, M. [1 ]
Alipour, S. [1 ,3 ]
Rezakhani, A. T. [1 ,3 ]
机构：
[1] Sharif Univ Technol, Dept Phys, Tehran 14588, Iran
[2] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England
[3] Inst Res Fundamental Sci IPM, Sch Nano Sci, Tehran 19538, Iran
来源：
PHYSICAL REVIEW A | 2016年 / 94卷 / 04期
关键词：
PARAMETRIC DOWN-CONVERSION; UNDETECTED PHOTONS; STATES; INTERFERENCE; ENTANGLEMENT; EINSTEIN; PODOLSKY;
D O I：
10.1103/PhysRevA.94.042102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show how a recent experiment of quantum imaging with undetected photons can basically be described as an (a partial) ancilla-assisted process tomography in which the object is described by an amplitude-damping quantum channel. We propose a simplified quantum circuit version of this scenario, which also enables one to recast quantum imaging in quantum computation language. Our analogy and analysis may help us to better understand the role of classical and/or quantum correlations in imaging experiments.
引用
收藏
页数：9
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