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Proceedings Paper

Light-induced "plasmonic" properties of organic materials: surface polaritons, bistability and switching waves
Author(s): Boris D. Fainberg; Nikolay N. Rosanov; Nikolay A. Veretenov; Boris Apter
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Paper Abstract

Purely organic materials with negative and near-zero dielectric permittivity can be easily fabricated, and propa- gation of surface polaritons at the material/air interface was demonstrated. Here we develop a mean-…eld theory of nonlinear light-induced "plasmonic" properties of organic materials. The theory describes both a red shift of the resonance frequency of isolated molecules, according to the Clausius-Mossotti Lorentz-Lorentz mecha- nism, and the wide variations of their spectra related to the aggregation of molecules into J- or H-aggregates. The bistable response of organic materials in the condensed phase has been demonstrated using the electron- vibrational model. We predict the generation of the switching waves, or kinks in the bistable organic thin …lms that enable us to observe a bistable behaviour of the surface polaritons at the organic thin …lm/dielectric inter- face under the laser irradiation. We present the alternating-sign dependence of the switching wave velocity on pump intensity and discuss a possibility of controlling the polariton propagation by switching waves.

Paper Details

Date Published: 25 August 2017
PDF: 18 pages
Proc. SPIE 10360, Light Manipulating Organic Materials and Devices IV, 1036003 (25 August 2017); doi: 10.1117/12.2272741
Show Author Affiliations
Boris D. Fainberg, Holon Institute of Technology (Israel)
Tel Aviv Univ. (Israel)
ITMO Univ. (Russian Federation)
Nikolay N. Rosanov, ITMO Univ. (Russian Federation)
Vavilov State Optical Institute (Russian Federation)
Ioffe Physical-Technical Institute (Russian Federation)
Nikolay A. Veretenov, ITMO Univ. (Russian Federation)
Vavilov State Optical Institute (Russian Federation)
Boris Apter, Holon Institute of Technology (Israel)

Published in SPIE Proceedings Vol. 10360:
Light Manipulating Organic Materials and Devices IV
Manfred Eich; Jean-Michel Nunzi; Jon A. Schuller; Joy E. Haley, Editor(s)

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