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Ultrawide-band photon routing based on chirped plasmonic gratings
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10.1063/1.4802273
/content/aip/journal/apl/102/15/10.1063/1.4802273
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/15/10.1063/1.4802273
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Figures

Image of FIG. 1.
FIG. 1.

Characterization of the chirped plasmonic grating. (a) Cross-section schematic structure. (b) Top-view SEM image. (c) Calculated dispersion relations using a constant grating period a of 200, 300, 400, 500, 600 nm. The groove width w and groove depth d were fixed at 150 nm and 200 nm, respectively.

Image of FIG. 2.
FIG. 2.

Measured near-field distribution in the plane of 10 nm above the surface of gold film for the 750 nm (a), 850 nm (b), and 950 nm (c) incident CW laser beam. Calculated Hz distribution at the cross-section of the chirped plasmonic grating for the 750 nm (d), 850 nm (e), and 950 nm (f) incident light. (g) Calculated Hz intensity as a function of position along the chirped plasmonic grating for 750, 850, and 950-nm incident light. (h) Terminal position as a function of incident light wavelength.

Image of FIG. 3.
FIG. 3.

Measured near-field distribution for 850-nm incident CW laser in the plane of 10 nm above the surface of gold film when the groove width is 150 nm (a) and 180 nm (b). (c) Calculated Hz intensity as a function of position along the chirped plasmonic grating for 850-nm incident light. (d) Calculated dispersion relations of the chirped plasmonic grating with different groove widths w. The grating constants a and groove depth h were fixed at 300 nm and 200 nm, respectively.

Image of FIG. 4.
FIG. 4.

Calculated Hz intensity as a function of position along the chirped plasmonic grating for 850-nm incident light under excitation of a 400-nm pump light.

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/content/aip/journal/apl/102/15/10.1063/1.4802273
2013-04-18
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrawide-band photon routing based on chirped plasmonic gratings
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/15/10.1063/1.4802273
10.1063/1.4802273
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