Stueckelberg interferometry using periodically driven spin-orbit-coupled Bose-Einstein condensates

被引：13

作者：

Olson, Abraham J. ^{[1
]}

Blasing, David B. ^{[1
]}

Qu, Chunlei ^{[2
,3
,4
]}

Li, Chuan-Hsun ^{[5
]}

Niffenegger, Robert J. ^{[1
]}

Zhang, Chuanwei ^{[2
]}

Chen, Yong P. ^{[1
,5
,6
]}

机构：

[1] Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA

[2] Univ Texas Dallas, Dept Phys, Richardson, TX 75080 USA

[3] Univ Trento, INO CNR BEC Ctr, I-38123 Povo, Italy

[4] Univ Trento, Dipartimento Fis, I-38123 Povo, Italy

[5] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA

[6] Purdue Univ, Purdue Quantum Ctr, W Lafayette, IN 47907 USA

来源：

PHYSICAL REVIEW A | 2017年 / 95卷 / 04期

基金：

美国国家科学基金会;

关键词：

REALIZATION;

D O I：

10.1103/PhysRevA.95.043623

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the single-particle dispersion of a spin-orbit-coupled (SOC) Bose-Einstein condensate (BEC) under the periodical modulation of the Raman coupling. This modulation introduces a further coupling of the SOC dressed eigenlevels, thus creating a second generation of modulation-dressed eigenlevels. Theoretical calculations show that these modulation-dressed eigenlevels feature a pair of avoided crossings and a richer spin-momentum locking, which we observe using BEC transport measurements. Furthermore, we use the pair of avoided crossings to engineer a tunable Stueckelberg interferometer that gives interference fringes in the spin polarization of BECs.

引用

页数：7

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