Multi-qubit quantum phase gates based on surface plasmons of a nanosphere

被引：11

作者：

Ren, Jun ^{[1
]}

Yuan, Jun ^{[2
]}

Zhang, Xiangdong ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China

[2] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2014年 / 31卷 / 02期

基金：

中国国家自然科学基金;

关键词：

OPTICAL PLASMONS; MOLECULE; OPERATION;

D O I：

10.1364/JOSAB.31.000229

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The Dicke subradiance and superradiance resulting from the interaction between surface plasmons of a nanosphere and an ensemble of quantum emitters have been investigated using a Green's function approach. Based on such an investigation, we propose a scheme for a deterministic multi-qubit quantum phase gate. As an example, two-qubit, three-qubit, and four-qubit quantum phase gates have been designed and analyzed in detail. Phenomena due to the losses in the metal are discussed. Potential applications of these phenomena to quantum-information processing are anticipated. (C) 2014 Optical Society of America

引用

页码：229 / 236

页数：8

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