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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S125–S127

Second-order nonlinear optical properties of centrosymmetric nanoparticles studied by hyper-Rayleigh scattering (HRS) technique

Xin Wang, Yu Zhang, Gang Wang, Chunxiu Zhang, Degang Fu, Yaochun Shen, Zuhong Lu, Yiping Cui, Shizuyasu Ochiai, Yoshiyuki Uchida, Kenzo Kojima, and Asao Ohashi  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue S1, pp. S125-S127 (2005)


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Abstract

Hyper-Rayleigh scattering (HRS) technique has been used to study second-order nonlinear optical (NLO) properties of some centrosymmetric metal and semiconductor nanoparticles. All the samples display big "per particle" first hyperpolarizabilities 'beta'_(par). For centrosymmetric particles the contributions of multipolar radiations are very important to their second-order NLO responses. The metal nanoparticles show 'beta'_(par) two orders greater than that of the semiconductor ones, which can be explained by the enhancement of surface plasma resonance (SPR). It also reveals that the HRS signals are very sensitive to metal nanoparticles' aggregation.

© 2005 Chinese Optics Letters

OCIS Codes
(190.3970) Nonlinear optics : Microparticle nonlinear optics
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.4180) Quantum optics : Multiphoton processes
(300.6410) Spectroscopy : Spectroscopy, multiphoton

Citation
Xin Wang, Yu Zhang, Gang Wang, Chunxiu Zhang, Degang Fu, Yaochun Shen, Zuhong Lu, Yiping Cui, Shizuyasu Ochiai, Yoshiyuki Uchida, Kenzo Kojima, and Asao Ohashi, "Second-order nonlinear optical properties of centrosymmetric nanoparticles studied by hyper-Rayleigh scattering (HRS) technique," Chin. Opt. Lett. 3, S125-S127 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S125

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