Model study in molecular engineering for nonlinear photonic devices: poly (arylene ethynylene) and poly (arylene vinylene) copolymers

Kieran G. Ryder; Stephen Lipson; Anna Drury; Sean O'Flaherty; Werner J. Blau

doi:10.1117/12.449837

7 December 2001 Model study in molecular engineering for nonlinear photonic devices: poly (arylene ethynylene) and poly (arylene vinylene) copolymers

Kieran G. Ryder, Stephen Lipson, Anna Drury, Sean O'Flaherty, Werner J. Blau

Author Affiliations +

Proceedings Volume 4461, Linear and Nonlinear Optics of Organic Materials; (2001) https://doi.org/10.1117/12.449837
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

A nonlinear optical study in poly (arylene ethynylene)(PAE) and poly (arylene vinylene) (PAV) copolymers for optical switching is presented. The principle aim of this work is to establish the polymer properties, which can be exploited in the design of materials useful for optical switching. A systematic study of the polymer parameters in solution and solid state are analysed in view of their performance as nonlinear materials. Insight is gained into the material performance, which is then related back to the structure. Wavelength dependent values of the third order nonlinear absorption coefficient (beta) and the third order nonlinear refraction coefficient (eta) ₂, for all four polymers are measured using the Z-scan technique. Suitability for optical switching applications is ascertained from the linear and nonlinear absorption. Two figures of merit are presented, enabling the suitability of the materials for optical switching to be ascertained, in the wavelength region spanning 465nm through 685nm. Molecular mechanical modeling is employed to provide a preliminary view of the polymer structure to aid the understanding of the nonlinear optical and film forming properties of the polymers. Correlations are drawn between the PAE and PAV polymers, enabling the possible synthesis of the ideal material for optical switching devices at visible and near infra red wavelengths, utilizing solid state organic materials.

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Kieran G. Ryder, Stephen Lipson, Anna Drury, Sean O'Flaherty, and Werner J. Blau "Model study in molecular engineering for nonlinear photonic devices: poly (arylene ethynylene) and poly (arylene vinylene) copolymers", Proc. SPIE 4461, Linear and Nonlinear Optics of Organic Materials, (7 December 2001); https://doi.org/10.1117/12.449837

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KEYWORDS

Polymers

Absorption

Solid state physics

Optical switching

Nonlinear optics

Phase shifts

Polymer thin films

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