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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 18, Iss. 22 — Nov. 15, 1993
  • pp: 1958–1960

Photon-echo measurements on the trivalent thulium ion

R. M. Macfarlane  »View Author Affiliations


Optics Letters, Vol. 18, Issue 22, pp. 1958-1960 (1993)
http://dx.doi.org/10.1364/OL.18.001958


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Abstract

Photon-echo measurements are reported for the trivalent thulium ion, which differs from all other rare-earth ions in having a single isotope of nuclear spin 1/2. Echo decays on the 3H6(1) ↔ 3H4(1) transition of LaF3:Tm3+ and YAG:Tm3+ were magnetic-field dependent at 1.5 K, showing that the dephasing originates from spin fluctuations of nuclei in the host crystals. Coherence times in the range of 7 to 100 μs were measured, corresponding to homogeneous linewidths of tens of kilohertz. The echo decays were nonexponential, providing evidence for spectral diffusion that is due to a distribution of 19F and 27A1 nuclear spin-flip times in the respective hosts.

© 1993 Optical Society of America

History
Original Manuscript: June 10, 1993
Published: November 15, 1993

Citation
R. M. Macfarlane, "Photon-echo measurements on the trivalent thulium ion," Opt. Lett. 18, 1958-1960 (1993)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-18-22-1958

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