Coherent patterning of matter waves with subwavelength localization

J. Mompart, V. Ahufinger, and G. Birkl
Phys. Rev. A 79, 053638 – Published 28 May 2009

Abstract

We propose the subwavelength localization via adiabatic passage (SLAP) technique to coherently achieve state-selective patterning of matter waves well beyond the diffraction limit. The SLAP technique consists in coupling two partially overlapping and spatially structured laser fields to three internal levels of the matter wave yielding state-selective localization at those positions where the adiabatic passage process does not occur. We show that by means of this technique matter wave localization down to the single nanometer scale can be achieved. We analyze in detail the potential implementation of the SLAP technique for nanolithography with an atomic beam of metastable Ne and for coherent patterning of a two-component R87b Bose-Einstein condensate.

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  • Received 17 November 2008

DOI:https://doi.org/10.1103/PhysRevA.79.053638

©2009 American Physical Society

Authors & Affiliations

J. Mompart1, V. Ahufinger1,2, and G. Birkl3

  • 1Departament de Física, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
  • 2Institució Catalana de Recerca i Estudis Avançats (ICREA) Lluís Companys 23, 08010 Barcelona, Spain
  • 3Institut für Angewandte Physik, Technische Universität Darmstadt, Schlossgartenstraße 7, 64289 Darmstadt, Germany

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Vol. 79, Iss. 5 — May 2009

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