Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2172022
Title: Controlled surface-plasmon coupling in SiO 2 -coated gold nanochains for tunable nonlinear optical properties
Authors: Yang, Y.
Nogami, M.
Shi, J.
Chen, H.
Ma, G. 
Tang, S. 
Issue Date: 2006
Citation: Yang, Y., Nogami, M., Shi, J., Chen, H., Ma, G., Tang, S. (2006). Controlled surface-plasmon coupling in SiO 2 -coated gold nanochains for tunable nonlinear optical properties. Applied Physics Letters 88 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2172022
Abstract: Linear chains of Si O2 -coated Au nanoparticles, exhibiting large third-order nonlinearity at multiple wavelengths ranging from visible to near infrared, were successfully synthesized and self-assembled on glass substrates using a reduction of HAu Cl4 and chemical surfactant modification. The optical absorption spectra peaking at 530, 620, 715, 830, and 1100 nm wavelengths were measured to the transverse and longitudinal surface plasmon resonance modes of 2, 3, 4, and 5 Au particles, respectively. Greatly enhanced third-order nonlinear optical responses have been observed at multiple wavelengths. © 2006 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/96094
ISSN: 00036951
DOI: 10.1063/1.2172022
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