Long coherence lifetime and electromagnetically induced transparency in a highly-spin-concentrated solid

Ph. Goldner, O. Guillot-Noel, F. Beaudoux, Y. Le Du, J. Lejay, T. Chaneliere, J. L. Le Gouet, Lars Rippe, Atia Amari, Andreas Walther, Stefan Kröll

Research output: Contribution to journalArticlepeer-review

Abstract

We have studied a rare-earth-doped crystal, Pr3+:La-2(WO4)(3), which exhibits a high magnetic-moment density. Although the latter favors rare-earth dephasing, a nuclear-spin coherence lifetime of 250 mu s has been observed, as well as electromagnetically induced transparency (EIT). This suggests that a broad range of materials could be considered for quantum information applications such as quantum memories for light, where solids are especially attractive. Absorption and dispersion curves are independently in very good agreement with EIT theory. Fano-like profiles have also been observed.
Original languageEnglish
Article number033809
JournalPhysical Review A (Atomic, Molecular and Optical Physics)
Volume79
Issue number3
DOIs
Publication statusPublished - 2009

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

Free keywords

  • nuclear spin
  • magnetic moments
  • lanthanum compounds
  • light coherence
  • praseodymium
  • transparency

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