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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper CTuK38

Optical third-order nonlinear polyemeraldine as a novel conducting polymer

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Abstract

Polymers with large and fast nonlinear optical (NLO) response are necessary for optical signal processing systems. Conducting polymers with linear and extensive π-electron delocalization are revealed to have high NLO susceptibility toward their chain directions. Photoexcitation of polarons and bipolarons in linear conjugated polymers results in relatively large values of the third-order nonlinear coefficient χ(3).1 But conducting polymers are normally in the crystalline state and are difficult to process because of their insolubility. Here, we report NLO measurements on polyemeraldine (PMAn), a new kind of linear conducting polymer, which is soluble and easy to fabricate in thin film form.

© 1992 Optical Society of America

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