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Optical waveguide and cavity effects on whispering-gallery mode resonances in a ZnO nanonail
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10.1063/1.3268806
/content/aip/journal/apl/95/22/10.1063/1.3268806
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3268806
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) FE-SEM image of a ZnO nanonail, of which the monochromatic CL images taken at 388 (b) and 500 nm (c) are shown. (d) and (e) Line profiles corresponding to the arrows show CL intensity variations of UV and green emissions, respectively.

Image of FIG. 2.
FIG. 2.

(a) CL spectra from a single ZnO nanonail shows a series of resonance peaks at the same wavelengths regardless of the origin of CL. (b) and (c) Simulated TM- and TE-polarized WGMs within a nail-like 3D cavity and a hexagonal 2D cavity, respectively. The cavity radius of 810 nm is used for simulation. The insets on the left-hand side illustrate the configuration of electric and magnetic fields corresponding to TM and TE modes, respectively. The asterisks in the insets on the right-hand side mark the light source positions.

Image of FIG. 3.
FIG. 3.

Field patterns for the observed modes in Fig. 2(a), corresponding to the light source in head.

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/content/aip/journal/apl/95/22/10.1063/1.3268806
2009-12-02
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical waveguide and cavity effects on whispering-gallery mode resonances in a ZnO nanonail
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/22/10.1063/1.3268806
10.1063/1.3268806
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