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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 4, Iss. 6 — Jun. 1, 1987
  • pp: 1018–1024

Excited-state dynamics and temporally resolved nonresonant nonlinear-optical processes in polydiacetylenes

Gary M. Carter  »View Author Affiliations


JOSA B, Vol. 4, Issue 6, pp. 1018-1024 (1987)
http://dx.doi.org/10.1364/JOSAB.4.001018


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Abstract

Degenerate four-wave mixing experiments (along with saturated absorption experiments) were carried out in and below the excitonic-state resonance in polydiacetylenes. A self-consistent analysis of the data was obtained with a two (electronic) level molecularlike model. The excitonic-state lifetime was determined to be 1.8 psec, and an initial excited-state process with a 100-fsec time constant was resolved. The time constant of the nonresonant third-order nonlinear-optical susceptibility was determined to be less than the resolution of the four-wave mixing experiment, -300 fsec, which was limited by the optical pulse duration.

© 1987 Optical Society of America

History
Original Manuscript: January 21, 1987
Manuscript Accepted: February 13, 1987
Published: June 1, 1987

Citation
Gary M. Carter, "Excited-state dynamics and temporally resolved nonresonant nonlinear-optical processes in polydiacetylenes," J. Opt. Soc. Am. B 4, 1018-1024 (1987)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-4-6-1018

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