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Two-photon excited fluorescence from a pseudoisocyanine-attached gold-coated tip via a thin tapered fiber under a weak continuous wave excitation
| Title: | Two-photon excited fluorescence from a pseudoisocyanine-attached gold-coated tip via a thin tapered fiber under a weak continuous wave excitation |
| Authors: | Ren, Fang Browse this author | | Takashima, Hideaki Browse this author | | Tanaka, Yoshito Browse this author →KAKEN DB | | Fujiwara, Hideki Browse this author →KAKEN DB | | Sasaki, Keiji Browse this author →KAKEN DB |
| Issue Date: | 18-Nov-2013 |
| Publisher: | Optical Society of America |
| Journal Title: | Optics express |
| Volume: | 21 |
| Issue: | 23 |
| Start Page: | 27759 |
| End Page: | 27769 |
| Publisher DOI: | 10.1364/OE.21.027759 |
| Abstract: | A simple tapered fiber based photonic-plasmonic hybrid nanostructure composed of a thin tapered fiber and a pseudoisocyanine (PIC)-attached Au-coated tip was demonstrated. Using this simple hybrid nanostructure, we succeeded in observing two-photon excited fluorescence from the PIC dye molecules under a weak continuous wave excitation condition. From the results of the tip-fiber distance dependence and excitation polarization dependence, we found that using a thin tapered fiber and an Au-coated tip realized efficient coupling of the incident light (similar to 95%) and LSP excitation at the Au-coated tip, suggesting the possibility of efficiently inducing two-photon excited fluorescence from the PIC dye molecules attached on the Au-coated tip. This simple photonic-plasmonic hybrid system is one of the promising tools for single photon sources, highly efficient plasmonic sensors, and integrated nonlinear plasmonic devices. (C) 2013 Optical Society of America |
| Rights: | This paper was published in Optics express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-21-23-27759. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. |
| Type: | article |
| URI: | http://hdl.handle.net/2115/54608 |
| Appears in Collections: | 電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 笹木 敬司
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