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

Oki Kuraishi, Daisuke Tanaka, Masayuki Shimojo, Kotaro Kajikawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number235105
JournalJournal of Physics D: Applied Physics
Volume45
Issue number23
DOIs
Publication statusPublished - 2012 Jun 13

Fingerprint

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

Cite this

Optical and electrical Kerr effects in polydiacetylene nanoparticle submonolayer probed by surface plasmon resonance spectroscopy. / Kuraishi, Oki; Tanaka, Daisuke; Shimojo, Masayuki; Kajikawa, Kotaro.

In: Journal of Physics D: Applied Physics, Vol. 45, No. 23, 235105, 13.06.2012.

Research output: Contribution to journalArticle

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