Optical and electrical Kerr effects in polydiacetylene nanoparticle submonolayer probed by surface plasmon resonance spectroscopy

Oki Kuraishi, Daisuke Tanaka, Masayuki Shimojo, Kotaro Kajikawa

研究成果: Article

3 引用 (Scopus)

抄録

Optical and electrical Kerr effects in a polydiacetylene (PDA) nanoparticle (NP) submonolayer film formed on a gold substrate were investigated. The third-order nonlinear susceptibilities of the PDA NPs at an off-resonance wavelength of 1064nm were (3)=(7.6+6.6i)×10 9esu (optical Kerr effect) and (3)=(1.2+0.39i)×10 9esu (electrical Kerr effect), which are an order of magnitude larger than the value reported. We observed a reflectivity change of 5% with an illumination intensity of 9.3MWcm 2 in the attenuated total reflection geometry, as a result of the refractive index change of 0.001 on the basis of the optical Kerr effect. The results indicate that the PDA NPs are promising materials for optical switching using plasmonic waveguides.

元の言語English
記事番号235105
ジャーナルJournal of Physics D: Applied Physics
45
発行部数23
DOI
出版物ステータスPublished - 2012 6 13

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Optical Kerr effect
Surface plasmon resonance
Kerr effects
surface plasmon resonance
Spectroscopy
Nanoparticles
nanoparticles
spectroscopy
Refractive index
Waveguides
Lighting
Gold
Wavelength
Geometry
Substrates
optical switching
illumination
refractivity
gold
waveguides

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

これを引用

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AU - Shimojo, Masayuki

AU - Kajikawa, Kotaro

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