Linear and nonlinear properties of high-quality L-shaped gold nanoparticles

Robert Czaplicki, Mariusz Zdanowicz, Kalle Koskinen, Hannu Husu, Janne Laukkanen, Markku Kuittinen, Martti Kauranen

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

The nonlinear optical response of metal nanostructures is sensitive to sample quality. Small deviations in the structural features of the particles result in large changes in the nonlinear response. This problem is particularly evident in second-harmonic generation, which is sensitive to sample symmetry. Local defects give rise to chiral symmetry breaking and effective quadrupole effects. Recent achievements in sample fabrication make it possible to obtain metal nanostructures with very high quality and tailorable nonlinear optical properties. Our study shows that the nonlinear optical response of high-quality samples is driven by electric-dipole interactions and is no longer uncontrollable as it was in the past for low-quality samples. Improving sample quality has also made it possible to observe the effect of higher-order resonances on the nonlinear response.
Original languageEnglish
Pages (from-to)71-83
JournalNonlinear Optics Quantum Optics
Volume45
Issue number1-2
Publication statusPublished - 2013
MoE publication typeA1 Journal article-refereed

Fingerprint

Gold
Nanostructures
Metals
gold
Nanoparticles
nanoparticles
Harmonic generation
Optical properties
Fabrication
Defects
metals
electric dipoles
broken symmetry
harmonic generations
quadrupoles
deviation
optical properties
fabrication
defects
symmetry

Keywords

  • nonlinear optics
  • second-harmonic generation
  • metal nanoparticles
  • multipole effects
  • plasmons
  • higher-order resonances

Cite this

Czaplicki, R., Zdanowicz, M., Koskinen, K., Husu, H., Laukkanen, J., Kuittinen, M., & Kauranen, M. (2013). Linear and nonlinear properties of high-quality L-shaped gold nanoparticles. Nonlinear Optics Quantum Optics, 45(1-2), 71-83.
Czaplicki, Robert ; Zdanowicz, Mariusz ; Koskinen, Kalle ; Husu, Hannu ; Laukkanen, Janne ; Kuittinen, Markku ; Kauranen, Martti. / Linear and nonlinear properties of high-quality L-shaped gold nanoparticles. In: Nonlinear Optics Quantum Optics. 2013 ; Vol. 45, No. 1-2. pp. 71-83.
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Czaplicki, R, Zdanowicz, M, Koskinen, K, Husu, H, Laukkanen, J, Kuittinen, M & Kauranen, M 2013, 'Linear and nonlinear properties of high-quality L-shaped gold nanoparticles', Nonlinear Optics Quantum Optics, vol. 45, no. 1-2, pp. 71-83.

Linear and nonlinear properties of high-quality L-shaped gold nanoparticles. / Czaplicki, Robert; Zdanowicz, Mariusz; Koskinen, Kalle; Husu, Hannu; Laukkanen, Janne; Kuittinen, Markku; Kauranen, Martti.

In: Nonlinear Optics Quantum Optics, Vol. 45, No. 1-2, 2013, p. 71-83.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Linear and nonlinear properties of high-quality L-shaped gold nanoparticles

AU - Czaplicki, Robert

AU - Zdanowicz, Mariusz

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AU - Kuittinen, Markku

AU - Kauranen, Martti

PY - 2013

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N2 - The nonlinear optical response of metal nanostructures is sensitive to sample quality. Small deviations in the structural features of the particles result in large changes in the nonlinear response. This problem is particularly evident in second-harmonic generation, which is sensitive to sample symmetry. Local defects give rise to chiral symmetry breaking and effective quadrupole effects. Recent achievements in sample fabrication make it possible to obtain metal nanostructures with very high quality and tailorable nonlinear optical properties. Our study shows that the nonlinear optical response of high-quality samples is driven by electric-dipole interactions and is no longer uncontrollable as it was in the past for low-quality samples. Improving sample quality has also made it possible to observe the effect of higher-order resonances on the nonlinear response.

AB - The nonlinear optical response of metal nanostructures is sensitive to sample quality. Small deviations in the structural features of the particles result in large changes in the nonlinear response. This problem is particularly evident in second-harmonic generation, which is sensitive to sample symmetry. Local defects give rise to chiral symmetry breaking and effective quadrupole effects. Recent achievements in sample fabrication make it possible to obtain metal nanostructures with very high quality and tailorable nonlinear optical properties. Our study shows that the nonlinear optical response of high-quality samples is driven by electric-dipole interactions and is no longer uncontrollable as it was in the past for low-quality samples. Improving sample quality has also made it possible to observe the effect of higher-order resonances on the nonlinear response.

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Czaplicki R, Zdanowicz M, Koskinen K, Husu H, Laukkanen J, Kuittinen M et al. Linear and nonlinear properties of high-quality L-shaped gold nanoparticles. Nonlinear Optics Quantum Optics. 2013;45(1-2):71-83.