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Experimental demonstration of fiber-accessible metal nanoparticle plasmon waveguides for planar energy guiding and sensing
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10.1063/1.1862340
/content/aip/journal/apl/86/7/10.1063/1.1862340
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/7/10.1063/1.1862340
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Electric field intensity distribution of a plasmon waveguide mode in top (upper plot) and side view (lower plot) calculated using FDTD simulations. (b) Scanning electron micrograph of a fabricated plasmon waveguide on an undercut Si membrane. The waveguide is terminated by mirrors at both ends.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Contour plot showing the transmitted power through the fiber taper on a linear color scale versus wavelength and lateral position of the taper with respect to the waveguide. (b) Lateral transmission profile at a wavelength of (fundamental mode, upper graph) and (higher order mode, lower graph).

Image of FIG. 3.
FIG. 3.

(Color online) (a) Plot of the resonant transmission minimum due to coupling to the fundamental plasmon waveguide mode versus coupling position along the fiber taper. corresponds to the position of minimum taper diameter, and for larger taper diameters the resonant coupling wavelength is seen to redshift, indicative of contradirectional coupling from the fiber taper to the plasmon waveguide (see Ref. 17). (b) Wavelength scan of the transmitted power through the fiber taper placed in close proximity over the centre of the plasmon waveguide obtained using two different external cavity lasers with overlapping scan ranges. The inset shows the evolution of the coupling when the taper is successively lowered towards the waveguide in steps (every tenth step shown).

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/content/aip/journal/apl/86/7/10.1063/1.1862340
2005-02-07
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental demonstration of fiber-accessible metal nanoparticle plasmon waveguides for planar energy guiding and sensing
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/7/10.1063/1.1862340
10.1063/1.1862340
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