Direct implementation of a scalable non-local multi-qubit controlled phase gate via optical fibres and adiabatic passage  

作　　者：汤耀祥 林秀敏 林功伟 陈立波 黄秀花 

机构地区：[1]School of Physics and Optoelectronics Technology, Fujian Normal University

出　　处：《Chinese Physics B》2008年第12期4388-4395,共8页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China (Grant No 10574022);Natural Science Foundation of Fujian Province of China (Grant Nos 2007J0002 and 2006J0230);Foundation for Universities in Fujian Province (Grant No 2007F5041)

摘　　要：This paper presents a direct implementation scheme of the non-local multi-qubit controlled phase gate by using optical fibres and adiabatic passage. The smaller operation number for implementing the multi-qubit controlled phase gate and needlessness for addressing individually save physical resource and lower the difficulties of experiment. Mean- while, the scheme is immune from some decoherence effects such as the atomic spontaneous emission and fibre loss. In principle, it is scalable.This paper presents a direct implementation scheme of the non-local multi-qubit controlled phase gate by using optical fibres and adiabatic passage. The smaller operation number for implementing the multi-qubit controlled phase gate and needlessness for addressing individually save physical resource and lower the difficulties of experiment. Mean- while, the scheme is immune from some decoherence effects such as the atomic spontaneous emission and fibre loss. In principle, it is scalable.

关 键 词：adiabatic passage multi-qubit controlled phase gate 

分 类 号：O431.2[机械工程—光学工程]