Nonlinear Optical Response from Excitons in Soliton Lattice Systerns of Doped Conducting Polymers

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概要

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• Exciton effects on conjugated polymers and the resulting optical nonlinearities are investigated in soliton lattice states. We use the Su-Schrieffer-Heeger model with long-range Coulomb interactions for electrons. The thirdharmonic generation (THG) at off-resonant frequencies is calculated as functions of the soliton concentration and the chain length of the polymer. The magnitude of the THG with 10 percent doping increases by the factor of about 10^2 from that of the neutral system. The large increase of the order two is common for several Coulom binteraction strengths, and is seen in open systems as well as in periodic systems.

• 社団法人応用物理学会の論文
• 1997-05-01

著者

• Harigaya Kikuo

  Physical Science Division Electrotechnical Laboratory

関連論文

• Nonlinear Optical Response in Higher Fullerenes
• Nonmagnetic Impurity in Carbon Nanotubes with Superconducting Pair Potentials : Condensed Matter: Electronic Properties, etc.
• Nonlinear Optical Response from Excitons in Soliton Lattice Systerns of Doped Conducting Polymers
• Local Non-Fermi Liquid Theory of Magnetic Impurity Effects in Metallic Carbon Nanotubes : Condensed Matter: Electronic Properties, etc.

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