Efficient optical coupling into a single plasmonic nanostructure using a fiber-coupled microspherical cavity


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/63205

Title:	Efficient optical coupling into a single plasmonic nanostructure using a fiber-coupled microspherical cavity
Authors:	Takashima, Hideaki Browse this author
	Kitajima, Kazutaka 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:	5-Feb-2014
Publisher:	American Physical Society
Journal Title:	Physical Review A
Volume:	89
Issue:	2
Start Page:	021801-1
End Page:	021801-5
Publisher DOI:	10.1103/PhysRevA.89.021801
Abstract:	Toward complete coupling between propagating light (PL) and a single localized-surface-plasmon (LSP) nanostructure, we propose a tapered-fiber-coupled microspherical cavity system combining an Au-coated probe tip. This system possesses the unique characteristic of precise adjustability for the fiber-cavity coupling rate and the cavity-plasmon coupling rate, which is indispensable for achieving the critical coupling conditions. We successfully demonstrate the 93% PL coupling into the LSP antenna with an effective area of a 58 nm circle, exceeding the diffraction limit.
Rights:	© 2014 American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/63205
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)

Submitter: 笹木敬司

OAI-PMH ( junii2 , jpcoar_1.0 )

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