Stueckelberg interferometry using periodically driven spin-orbit-coupled Bose-Einstein condensates
Authors: Olson A., Blasing DB., Qu CL., Li CH., Niffenegger RJ., Zhang CW., Chen YP.
Autors Affiliation: Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47907 USA; Univ Texas Dallas, Dept Phys, Richardson, TX 75080 USA; Univ Trento, INO CNR BEC Ctr, I-38123 Povo, Italy; Univ Trento, Dipartimento Fis, I-38123 Povo, Italy; Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA; Purdue Univ, Purdue Quantum Ctr, W Lafayette, IN 47907 USA
Abstract: 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.
Journal/Review: PHYSICAL REVIEW A
Volume: 95 (4) Pages from: 043623-1 to: 043623-7
KeyWords: REALIZATIONDOI: 10.1103/PhysRevA.95.043623Citations: 5data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-10-24References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here