Phys. Rev. A 41, 6406–6414 (1990)Doubly resonant coherent anti-Stokes Raman spectroscopy of Ce3+ in LuPO4Received 18 December 1989; published in the issue dated June 1990 We have measured coherent anti-Stokes Raman spectra between crystal-field levels of the 2F5/2 and 2F7/2 manifolds of the Ce3+ ion diluted in LuPO4 at ∼10 K. The anti-Stokes signal is nearly resonant with the lowest crystal-field level of the 5d1 configuration of Ce3+ at 30 460 cm-1. For a LuPO4 crystal doped with 0.06 mol % Ce3+, we found enhancements of the third-order susceptibility ‖χ(3)R/χ(3)NR‖ as high as 11.6. This enhancement is over 20 times larger than that seen previously in singly resonant experiments with pure rare-earth crystals. © 1990 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.41.6406
DOI:
10.1103/PhysRevA.41.6406
PACS:
42.65.Dr, 71.70.Ch, 78.50.Ec, 78.30.-j
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