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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 22 — Nov. 15, 2005
  • pp: 3057–3059

Highly efficient third-order optical nonlinearities in donor-substituted cyanoethynylethene molecules

Joshua C. May, Jin H. Lim, Ivan Biaggio, Nicolle N. P. Moonen, Tsuyoshi Michinobu, and François Diederich  »View Author Affiliations


Optics Letters, Vol. 30, Issue 22, pp. 3057-3059 (2005)
http://dx.doi.org/10.1364/OL.30.003057


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Abstract

We investigated the third-order nonlinear optical properties of several donor-substituted cyanoethynylethene molecules in the zero-frequency limit. We observed nonlinearities that are extraordinarily large relative to the small molecular mass of these molecules and that are within a factor of 50 from the fundamental limit. At a wavelength of 1.5 µm, the rotational average of the third-order molecular polarizability is 53±13×10−48 m5 V−2 (3.8×10−33 esu) for the best molecule, which corresponds to 1.7×10−48 m5 V−2 per delocalized electron. The high nonlinear efficiency of these molecules is due to the compact two-dimensional conjugated system and the effective donor-acceptor substitution patterns.

© 2005 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(160.4890) Materials : Organic materials
(190.0190) Nonlinear optics : Nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials

ToC Category:
Nonlinear Optics

Citation
Joshua C. May, Jin H. Lim, Ivan Biaggio, Nicolle N. P. Moonen, Tsuyoshi Michinobu, and François Diederich, "Highly efficient third-order optical nonlinearities in donor-substituted cyanoethynylethene molecules," Opt. Lett. 30, 3057-3059 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-22-3057

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