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Proceedings Paper

Nonlinear phenomena from a PIC-attached gold tip using a plasmonic-whispering gallery mode hybrid system
Author(s): Fang Ren; Hideaki Takashima; Yoshito Tanaka; Hideki Fujiwara; Keiji Sasaki
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Paper Abstract

We proposed a plasmonic-WGM hybrid system composed of a tapered-fiber-coupled microsphere resonator and a PICattached gold tip to focus the incident light into a nanoscale domain (~728.8 nm2) with high coupling efficiency of ~80.3 % and the Q factor of ~1.9×106. In order to experimentally verify the strong interaction between light and matter owing to efficient excitation of localized surface plasmon at the gold-coated tip, we demonstrated to observe two-photon excited fluorescence from PIC dye molecules attached on the gold-coated tip even under a weak CW excitation condition via a tapered-fiber-coupled microsphere resonator.

Paper Details

Date Published: 26 September 2013
PDF: 9 pages
Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 881612 (26 September 2013); doi: 10.1117/12.2022626
Show Author Affiliations
Fang Ren, Hokkaido Univ. (Japan)
Hideaki Takashima, Hokkaido Univ. (Japan)
Yoshito Tanaka, Hokkaido Univ. (Japan)
Hideki Fujiwara, Hokkaido Univ. (Japan)
Keiji Sasaki, Hokkaido Univ. (Japan)


Published in SPIE Proceedings Vol. 8816:
Nanoengineering: Fabrication, Properties, Optics, and Devices X
Eva M. Campo; Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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