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Nanodot coupler with a surface plasmon polariton condenser for optical far/near-field conversion
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10.1063/1.1920419
/content/aip/journal/apl/86/18/10.1063/1.1920419
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/18/10.1063/1.1920419
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Bird’s eye view of a nanodot coupler with a SPP condenser. (b) Experimental system. (c) Schematic illustration of the SPP condenser.

Image of FIG. 2.
FIG. 2.

Fabrication of the nanodot coupler and SPP condenser: (a) Anodic bonding [step (i)], (b) carbon hemisphere deposition using FIB [step (ii)], (c) 120 nm gold film deposition using sputtering [step (iii)], (e) and (d) SEM images of the fabricated nanodot coupler and SPP condenser.

Image of FIG. 3.
FIG. 3.

(a) Shear-force image of the SPP condenser. (b) The near-field energy distribution of (a) taken at . (c) Calculated spatial distribution of the electric-field energy using the FDTD method. The dashed and solid curves in (d) are cross-sectional profiles along the dashed white lines in (b) and (c), respectively.

Image of FIG. 4.
FIG. 4.

SEM image (a) and the near-field energy distribution (b) of a linearly chained nanodot coupler. (c) Solid circles show the cross-sectional profiles along the white dashed line in (b). The solid curve shows the fitted exponential envelope. A and B indicate dips resulting from the length of the nanodot coupler. (d) Open circles show the cross-sectional profiles along metallic core waveguide and the solid curve shows the fitted exponential envelope.

Image of FIG. 5.
FIG. 5.

(a) and (b) SEM images and the near-field intensity distribution (c) of a zigzag-shaped nanodot coupler. (d) The cross-sectional profiles along the dashed white lines in (c). The arrows A to D indicate the corners.

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/content/aip/journal/apl/86/18/10.1063/1.1920419
2005-04-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanodot coupler with a surface plasmon polariton condenser for optical far/near-field conversion
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/18/10.1063/1.1920419
10.1063/1.1920419
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