Ultra-fast two-qubit ion gate using sequences of resonant pulses

被引：9

作者：

Torrontegui, E. ^{[1
,2
]}

Heinrich, D. ^{[3
,4
]}

Hussain, M., I ^{[3
,4
]}

Blatt, R. ^{[3
,4
]}

Garcia-Ripoll, J. J. ^{[1
]}

机构：

[1] CSIC, Inst Fis Fundamental IFF, Calle Serrano 113b, Madrid 28006, Spain

[2] Univ Carlos III Madrid, Dept Fis, Avda Univ 30, Leganes 28911, Madrid, Spain

[3] Austrian Acad Sci, Inst Quantenopt & Quanteninformat, Technikerstr 21a, A-6020 Innsbruck, Austria

[4] Univ Innsbruck, Inst Expt Phys, Technikerstr 25, A-6020 Innsbruck, Austria

来源：

NEW JOURNAL OF PHYSICS | 2020年 / 22卷 / 10期

关键词：

quantum information; trapped ions; qubit gates; POPULATION TRANSFER; TRAPPED-ION; QUANTUM; ROBUST;

D O I：

10.1088/1367-2630/abbab6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a new protocol to implement ultra-fast two-qubit phase gates with trapped ions using spin-dependent kicks induced by resonant transitions. By only optimizing the allocation of the arrival times in a pulse train sequence the gate is implemented in times faster than the trapping oscillation periodT< 2 pi/omega. Such gates allow us to increase the number of gate operations that can be completed within the coherence time of the ion-qubits favoring the development of scalable quantum computers.

引用

页数：11

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