Demonstration of the temporal matter-wave Talbot effect for trapped matter waves

Manfred J Mark, Elmar Haller, Johann G Danzl, Katharina Lauber, Mattias Gustavsson, Hanns-Christoph Naegerl

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Abstract

We demonstrate the temporal Talbot effect for trapped matter waves using ultracold atoms in an optical lattice. We investigate the phase evolution of an array of essentially non-interacting matter waves and observe matter-wave collapse and revival in the form of a Talbot interference pattern. By using long expansion times, we image momentum space with sub-recoil resolution, allowing us to observe fractional Talbot fringes up to tenth order.

Original languageEnglish
Article number085008
Number of pages15
JournalNew Journal of Physics
Volume13
DOIs
Publication statusPublished - 10 Aug 2011

Keywords

  • Talbot effect
  • trapped matter waves
  • optics
  • ultracold atoms
  • optical lattice

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