Linear and nonlinear optical properties of poly(p-phenylenevinylene)-poly(N-vinylpyrrolidone) (PPV-PVP) composites

Anna Samoc; Marek Samoc; Barry Luther-Davies

doi:10.1117/12.279309

13 October 1997 Linear and nonlinear optical properties of poly(p-phenylenevinylene)-poly(N-vinylpyrrolidone) (PPV-PVP) composites

Anna Samoc, Marek Samoc, Barry Luther-Davies

Author Affiliations +

Proceedings Volume 3147, Nonlinear Optical Properties of Organic Materials X; (1997) https://doi.org/10.1117/12.279309
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

We show that the chemical and physical environment used to synthesise and process poly(p-phenylenevinylene) (PPV) by the soluble precursor route in the matrix of poly(N-vinylpyrrolidone) (PVP) has a remarkable effect on the effective conjugation length of the resulting polymer, which directly affects the third order nonlinearity. A peculiar bathochromic shift of the position of the PPV absorption maximum, an increase of absorption coefficients and the anisotropy of refractive indices upon conversion have been observed. A large third-order optical nonlinearity (In2I>lO cm2/W) at 800 nm can be achieved in the composites. The nonlinearity of the composites depends on the PPV content and the conversion conditions. The PPV-PVP system is interesting from the point of view of its good waveguiding properties in the thin film planar waveguide structures.

Citation Download Citation

Anna Samoc, Marek Samoc, and Barry Luther-Davies "Linear and nonlinear optical properties of poly(p-phenylenevinylene)-poly(N-vinylpyrrolidone) (PPV-PVP) composites", Proc. SPIE 3147, Nonlinear Optical Properties of Organic Materials X, (13 October 1997); https://doi.org/10.1117/12.279309

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