Quantum-optical process tomography using coherent states

被引：0
|
作者：
Lobino, M. [1 ]
Rahimi-Keshari, S. [1 ]
Korystov, D. [1 ]
Kupchak, C. [1 ]
Figueroa, E. [1 ]
Scherer, A. [1 ]
Sanders, B. C. [1 ]
Lvovsky, A. I. [1 ]
机构：
[1] Univ Calgary, Inst Quantum Informat Sci, Calgary, AB T2N 1N4, Canada
来源：
QUANTUM COMMUNICATION, MEASUREMENT AND COMPUTING (QCMC): THE TENTH INTERNATIONAL CONFERENCE | 2011年 / 1363卷
关键词：
Quantum process tomography; quantum-optical memory; Glauber-Sudarshan function; EQUIVALENCE;
D O I：
10.1063/1.3630179
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We review the method for characterizing, with arbitrarily high accuracy, any quantum optical process, which our group has developed over the past few years. Our protocol recovers complete knowledge of the process by studying, via homodyne tomography, its effect on a set of coherent states, that is, classical fields produced by common laser sources. We present a simple scheme for calculating the process matrix from this information. We demonstrate the capability of our protocol by demonstrating complete characterization of an optical memory based on electromagnetically induced transparency.
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页数：10
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