Fast and robust population transfer in two-level quantum systems with dephasing noise and/or systematic frequency errors

被引：72

作者：

Lu, Xiao-Jing ^{[1
,2
]}

Chen, Xi ^{[1
,2
]}

Ruschhaupt, A. ^{[3
]}

Alonso, D. ^{[4
,5
]}

Guerin, S. ^{[6
]}

Muga, J. G. ^{[1
,2
]}

机构：

[1] Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China

[2] Univ Basque Country, Dept Quim Fis, Bilbao 48080, Spain

[3] Natl Univ Ireland Univ Coll Cork, Dept Phys, Cork, Ireland

[4] Univ La Laguna, Dept Fis Fundamental & Expt Elect & Sistemas, San Cristobal la Laguna 38203, Spain

[5] Univ La Laguna, IUdEA, San Cristobal la Laguna 38203, Spain

[6] Univ Bourgogne, Lab Interdisciplinaire Carnot Bourgogne, CNRS, UMR 6303, F-21078 Dijon, France

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Quantum optics - Systematic errors - Constrained optimization;

D O I：

10.1103/PhysRevA.88.033406

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We design, by invariant-based inverse engineering, driving fields that invert the population of a two-level atom in a given time, robustly with respect to dephasing noise and/or systematic frequency shifts. Without imposing constraints, optimal protocols are insensitive to the perturbations but need an infinite energy. For a constrained value of the Rabi frequency, a flat pi pulse is the least sensitive protocol to phase noise but not to systematic frequency shifts, for which we describe and optimize a family of protocols.

引用

页数：6

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