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
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
收藏
页码:229 / 236
页数:8
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