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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 3, Iss. 4 — Apr. 1, 1986
  • pp: 514–522

On-axis photon-echo modulation in ruby

A. Szabo  »View Author Affiliations


JOSA B, Vol. 3, Issue 4, pp. 514-522 (1986)
http://dx.doi.org/10.1364/JOSAB.3.000514


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Abstract

Theoretical and experimental studies of photon-echo modulation for the four σ transitions of the R1 line in ruby with an on-axis magnetic field are described. Echoes originating from the Cr3+ ground-state 4A2 (−3/2) spin level (−3/2 echo) are studied for the first time. Unlike ±½ echoes, the −3/2-echo modulation is found to be dominated by Cr-Al interactions occurring outside the 13 inner-shell ions. The +½-echo modulation is observed to be in major disagreement with the theory using previously determined superhyperfine parameters. Regression-analysis studies indicate that this cannot be due solely to parameter errors. Finite nuclear linewidths and/or optical pumping effects are shown to be a plausible source of the disagreement.

© 1986 Optical Society of America

Citation
A. Szabo, "On-axis photon-echo modulation in ruby," J. Opt. Soc. Am. B 3, 514-522 (1986)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-3-4-514


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References

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  16. The ground-state point-dipole value for B and the derived value A, for the G Al set, in Ref. 8 are incorrect. The correct values (Ref. 8) are B = 20.411 (10.411) kHz/nm3 and A = 0.693 (0.988) MHz. Also, the coordinates of one of the I atoms should be −0.2753, 0, −0.0564 (0.139, 0, −0.057) nm. These corrections have a negligible effect on the calculations of Ref. 8.
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  23. We have experimentally confirmed the results of Ref. 8. Also, our computer code gave identical echo-modulation curves.
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