A probabilistic CNOT gate for coherent state qubits

被引：2

作者：

Oliveira, M. S. R. ^{[1
]}

Vasconcelos, H. M. ^{[1
]}

Silva, J. B. R. ^{[1
]}

机构：

[1] Univ Fed Ceara, Dept Engn Teleinformat, Fortaleza, Ceara, Brazil

来源：

PHYSICS LETTERS A | 2013年 / 377卷 / 39期

关键词：

CNOT; Coherent states; Entangled four-mode state; QUANTUM COMPUTATION; VARIABLES;

D O I：

10.1016/j.physleta.2013.08.024

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a scheme for implementing a probabilistic controlled-NOT (CNOT) gate for coherent state qubits using only linear optics and a particular four-mode state. The proposed optical setup works, as a CNOT gate, near-faithful when vertical bar alpha vertical bar(2) >= 25 and independent of the input state. The key element for realizing the proposed CNOT scheme is the entangled four-mode state. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：2821 / 2825

页数：5

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