Pulse Designed Coherent Dynamics of a Quantum Dot Charge Qubit  

作　　者：CAO Gang WANG Li TU Tao LI Hai-Ou XIAO Ming GUO Guo-Ping 曹刚;王力;涂涛;李海鸥;肖明;郭国平(Key Laboratory of Quantum Information,University of Science and Technology of China,Hefei 230026)

机构地区：[1]Key Laboratory of Quantum Information,University of Science and Technology of China,Hefei 230026

出　　处：《Chinese Physics Letters》2012年第3期29-32,共4页中国物理快报（英文版）

基　　金：Supported by the National Basic Research Program of China under Grant No 2011CBA00200;the National Natural Science Foundation of China under Grant Nos 11074243 and 10934006.

摘　　要：We propose an effective method to design the working parameters of a pulse-driven charge qubit implemented with double quantum dot.It is shown that intrinsic qubit population leakage to undesired states in the control and measurement process can be determined by the simulation of coherent dynamics of the qubit and minimized by choosing proper working parameters such as pulse shape.The result demonstrated here bodes well for future quantum gate operations and quantum computing applications.

关 键 词：QUANTUM operations DESIRED 

分 类 号：O41[理学—理论物理]