Robust high-fidelity universal set of quantum gates through non-adiabatic rapid passage

被引:3
|
作者
Li, Ran [2 ]
Gaitan, Frank [1 ]
机构
[1] Lab Phys Sci, College Pk, MD 20740 USA
[2] Kent State Univ, Dept Phys, N Canton, OH 44720 USA
基金
美国国家科学基金会;
关键词
fault-tolerant quantum computing; accuracy threshold; quantum interference; group-symmetrized evolution; robust high-fidelity quantum control; non-adiabatic dynamics; CONTROLLING QUBIT TRANSITIONS; INTERFERENCE; COMPUTATION;
D O I
10.1080/09500340.2011.592621
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We show how a robust high-fidelity universal set of quantum gates can be implemented using a single form of non-adiabatic rapid passage whose parameters are optimized to maximize gate fidelity and reward gate robustness. Each gate in the universal set is found to operate with a fidelity F in the range 0.99988 < F < 0.99999, and to require control parameters with no more than 14 bit (1 part in 10(4)) precision. Such precision is within reach of commercially available arbitrary waveform generators, so that an experimental study of this approach to high-fidelity universal quantum control appears feasible.
引用
收藏
页码:1922 / 1927
页数:6
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