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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 13, Iss. 11 — Nov. 1, 1996
  • pp: 2401–2407

Nonlinear optical properties of push-pull polyenes for electro-optics

M. Stähelin, B. Zysset, M. Ahlheim, S. R. Marder, P. V. Bedworth, C. Runser, M. Barzoukas, and A. Fort  »View Author Affiliations


JOSA B, Vol. 13, Issue 11, pp. 2401-2407 (1996)
http://dx.doi.org/10.1364/JOSAB.13.002401


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Abstract

Improved nonlinear organic chromophores of varying conjugation length with either thiobarbituric acid or 3-dicyanomethylene-2,3-dihydrobenzothiophene-1,1-dioxide (FORON® Blue) acceptors have been synthesized and investigated for their nonlinear optical properties. Very large quadratic hyperpolarizabilities β(−2ω; ω, ω) have been found, up to 25,700×10−48 esu at λ=1.91 μm. In a guest–host polymer very high electro-optic (EO) coefficients, of up to 55 pm/V, have been determined at λ=1.31 μm with 20-wt % chromophore loading. We find good agreement between molecular parameters evaluated by electric-field-induced second-harmonic generation (EFISH) and the measurements of guest–host solid–solid solutions. The latter method is well suited to the determination of the product of dipole moment μ and hyperpolarizability β quickly and reliably at the wavelength of interest for EO applications without the complications associated with EFISH measurements.

© 1996 Optical Society of America

Citation
M. Stähelin, B. Zysset, M. Ahlheim, S. R. Marder, P. V. Bedworth, C. Runser, M. Barzoukas, and A. Fort, "Nonlinear optical properties of push-pull polyenes for electro-optics," J. Opt. Soc. Am. B 13, 2401-2407 (1996)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-13-11-2401

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