Observation of optical nonlinearity size enhancement in one-dimensional molecular aggregates

Roman V. Markov; Alexander I. Plekhanov; Vladimir V. Shelkovnikov

doi:10.1117/12.475919

24 July 2002 Observation of optical nonlinearity size enhancement in one-dimensional molecular aggregates

Roman V. Markov, Alexander I. Plekhanov, Vladimir V. Shelkovnikov

Proceedings Volume 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems; (2002) https://doi.org/10.1117/12.475919
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

Thin films of molecular aggregates of pseudoisocyanine were obtained. Delocalization length of exciton wave function was measured with an assumption that an absorption line width is defined by disorder induced mixing of the lowest states of the one-exciton band. Predicted effect of size enhancement of the nonlinear optical properties for molecular aggregates was observed. The assumption used to determine the delocalization length is shown to coincide with the observed optical nonlinearity size enhancement phenomenon.

Citation Download Citation

Roman V. Markov, Alexander I. Plekhanov, and Vladimir V. Shelkovnikov "Observation of optical nonlinearity size enhancement in one-dimensional molecular aggregates", Proc. SPIE 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems, (24 July 2002); https://doi.org/10.1117/12.475919

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