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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 8 — Aug. 1, 2012
  • pp: 1854–1862

Pr3+ cluster management in CaF2 by codoping with Lu3+ or Yb3+ for visible lasers and quantum down-converters

D. Serrano, A. Braud, J. L. Doualan, P. Camy, and R. Moncorgé  »View Author Affiliations


JOSA B, Vol. 29, Issue 8, pp. 1854-1862 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001854


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Abstract

The codoping of CaF2:Pr3+ with Yb3+ or Lu3+ ions is shown to avoid the clustering of Pr3+ ions, which otherwise prevent Pr3+ doped CaF2 to be used for various photonic applications. The breaking of Pr3+ clusters by Lu3+ ions paves the way towards the development of a Pr3+ doped CaF2 visible laser. On the other hand, the formation of Pr3+-Yb3+ clusters in place of Pr3+ clusters leads to extremely efficient energy transfers between Pr3+ and Yb3+ which could be used for quantum cutting applications. Two types of clusters are observed for both types of codopings. Pr3+ to Yb3+ energy transfer analysis shows that for one of the clusters an ultrafast energy transfer takes place with a rate of 5×107s1, which is likely due to exchange interaction.

© 2012 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials
(260.2160) Physical optics : Energy transfer
(260.3800) Physical optics : Luminescence

ToC Category:
Physical Optics

History
Original Manuscript: April 25, 2012
Revised Manuscript: May 23, 2012
Manuscript Accepted: May 25, 2012
Published: July 3, 2012

Citation
D. Serrano, A. Braud, J. L. Doualan, P. Camy, and R. Moncorgé, "Pr3+ cluster management in CaF2 by codoping with Lu3+ or Yb3+ for visible lasers and quantum down-converters," J. Opt. Soc. Am. B 29, 1854-1862 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-8-1854

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