4.6 Article

Prevention of decoherence by two femtosecond chirped pulse trains

Journal

OPTICS LETTERS
Volume 33, Issue 19, Pages 2245-2247

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.33.002245

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Funding

  1. Institute of Atomic, Molecular, and Optical Physics
  2. Smithsonian Center for Astrophysics

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We study the vibrational energy relaxation (VER) and collisional dephasing as channels of coherence loss in a vibrational mode that is selectively excited using chirped pulse adiabatic passage in the Raman configuration. Based on the dressed state picture analysis we propose a method to reduce decoherence using femtosecond chirped pulse trains. When applied with a period close to the VER time, the pulse trains allow one to sustain high coherence in the selected vibrational mode. (C) 2008 Optical Society of America

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