Nonlinear phenomena from a PIC-attached gold tip using a plasmonic-whispering gallery mode hybrid system

Fang Ren; Hideaki Takashima; Yoshito Tanaka; Hideki Fujiwara; Keiji Sasaki

doi:10.1117/12.2022626

26 September 2013 Nonlinear phenomena from a PIC-attached gold tip using a plasmonic-whispering gallery mode hybrid system

Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara, Keiji Sasaki

Author Affiliations +

Proceedings Volume 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X; 881612 (2013) https://doi.org/10.1117/12.2022626
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

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.

Citation Download Citation

Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara, and Keiji Sasaki "Nonlinear phenomena from a PIC-attached gold tip using a plasmonic-whispering gallery mode hybrid system", Proc. SPIE 8816, Nanoengineering: Fabrication, Properties, Optics, and Devices X, 881612 (26 September 2013); https://doi.org/10.1117/12.2022626

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