Dresden 2011 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 26: Poster III

A 26.34: Poster

Donnerstag, 17. März 2011, 16:00–18:30, P2

Accurate Realization of Mach-Zehnder Interferometer via Dressed State Interference in Atomic Beam Spectroscopy. — •Vents Valle1,2, Vyascheslavs Kascheyevs2,3, Juris Ulmanis2, Zanda Krumina2, and Aigars Ekers21Institute of Physics, Rostock University, Rostock D-18051, Germany — 2Laser Center, University of Latvia, LV-1002 Riga, Latvia — 3Faculty of Computing, University of Latvia, Riga LV-1586, Latvia

It is possible to manipulate energy levels of laser dressed atomic states via intensity and frequency of laser radiation. Such manipulations in abstract two level system may introduce additional time evolution that consists of two level crossings when the dressed energy levels are close (described approximately by Landau-Zener transitions) thus creating two alternative, in general, conjoined evolution paths between the crossings.

In our research we describe situation where an energy level of constant value is crossed twice by another energy level that evolves as a Gaussian curve. We develop a full model of such two level system using Mach-Zehnder interferometer as a base model and discuss accuracy of the model for different scenarios of energy levels' evolution.

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