Mean-field electron-vibrational theory of collective effects in photonic organic materials. Long-range Frenkel exciton polaritons in nanofibers of organic dye
AIP ADVANCES(2018)
Abstract
We develop a mean-field electron-vibrational theory of light-induced optical properties of photonic organic materials taking the collective effects into account. The theory contains experimentally measured quantities that make it closely related to experiment, and provides a possibility of generalization to a nonlinear regime. Between other things, we explain the additional red shift of the H-aggregate absorption spectra (that are blue-shifted as a whole). We apply the theory to experiment on fraction of a millimeter propagation of Frenkel exciton polaritons in photoexcited organic nanofibers made of thiacyanine dye. A good agreement between theory and experiment is obtained. (C) 2018 Author(s).
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Key words
photonic organic materials,nanofibers,mean-field,electron-vibrational,long-range
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