Third harmonic autocorrelation and wave mixing in a thin film of poly(p-phenylenevinylene).

We show here that a thin film of a nonlinear conjugated polymer: poly(p-phenylenevinylene) (PPV) is capable of efficiently generating the third harmonic of femtosecond pulses of light at the near infrared (including telecommunication bands) wavelengths, giving coherent, low divergence beams in the visible range. By using more than one fundamental beam overlapping in space and in time on the PPV film, autocorrelation signals are observed as well as higher order mixing signals due to X(5) and higherorder nonlinear susceptibilities. These signals can be used for applications such as short laser pulse diagnostics and photonic signal processing and they provide information about the nonlinear properties of the material itself.

• Publication year

  2003

• Venue

  Optics Express

• Publication date

  2003-07-28

• Fields of study

  Medicine, Materials Science, Physics

• Identifiers
  DOI 10.1364/OE.11.001787PMID 19466060
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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