Robust calibration of an optical-lattice depth based on a phase shift

被引：14
|
作者：
Cabrera-Gutierrez, C. [1 ,2 ]
Michon, E. [1 ,2 ]
Brunaud, V. [1 ,2 ]
Kawalec, T. [3 ]
Fortun, A. [1 ,2 ]
Arnal, M. [1 ,2 ]
Billy, J. [1 ,2 ]
Guery-Odelin, D. [1 ,2 ]
机构：
[1] Univ Toulouse, UPS, Lab Collis Agregats React, IRSAMC, F-31062 Toulouse, France
[2] CNRS, UMR 5589, F-31062 Toulouse, France
[3] Jagiellonian Univ, Marian Smoluchowski Inst Phys, Lojasiewicza 11, PL-30348 Krakow, Poland
来源：
PHYSICAL REVIEW A | 2018年 / 97卷 / 04期
关键词：
WAVE-FUNCTIONS; ATOMS; DIFFRACTION; REALIZATION; DYNAMICS; FIELDS; GASES; LIGHT; MODEL;
D O I：
10.1103/PhysRevA.97.043617
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a method to calibrate the depth of an optical lattice. It consists of triggering the intrasite dipole mode of the cloud by a sudden phase shift. The corresponding oscillatory motion is directly related to the interband frequencies on a large range of lattice depths. Remarkably, for a moderate displacement, a single frequency dominates the oscillation of the zeroth and first orders of the interference pattern observed after a sufficiently long time of flight. The method is robust against atom-atom interactions and the exact value of the extra weak external confinement superimposed to the optical lattice.
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页数：6
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