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Enhancement of spontaneous emission rate and reduction in amplified spontaneous emission threshold in electrodeposited three-dimensional ZnO photonic crystal
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10.1063/1.3499274
/content/aip/journal/apl/97/19/10.1063/1.3499274
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/19/10.1063/1.3499274
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Figures

Image of FIG. 1.
FIG. 1.

(a) The SEM images of PC template. The figure inset is the cross section of the sample. (b) The computer simulation of (a). (c) The close-up SEM image of the ZnO inverse PCs. The inset is the cross section of the sample. (d) shows the computer simulation of (c).

Image of FIG. 2.
FIG. 2.

(a) Optical intensity reflection spectrum of the fcc-type photoresist template in Fig. 1(a), showing one pronounced peaks around . (b) Corresponding band-structure calculation along the measured direction . (c) Corresponding band-structure calculation of the ZnO inverse PC in Fig. 2(a). The gray shaded area corresponds to the band gap at the measured direction. (d) Optical intensity reflection spectrum of the ZnO inverse PC in Fig. 2(a), showing one pronounced peaks around and two shoulders at 2.60 and .

Image of FIG. 3.
FIG. 3.

(a) PL and transmission spectra of the ZnO PC and the reference ZnO. (b) Time-resolved measurement of the reference ZnO (black circle) and the ZnO with PC structure (red triangle). The blue solid lines are single exponential fitting curve of the data. The figure inset shows the comparison of the exciton emission intensity of the reference ZnO (red solid curve) and the ZnO with PC structure (blue dashed curve) under the same excitation condition. (c) Emission spectrum as a function for excitation power for the ZnO PC. The figure inset shows the ASE/PL spectra for ZnO PC and nonstructured ZnO at the same excitation intensity of .

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/content/aip/journal/apl/97/19/10.1063/1.3499274
2010-11-08
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhancement of spontaneous emission rate and reduction in amplified spontaneous emission threshold in electrodeposited three-dimensional ZnO photonic crystal
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/19/10.1063/1.3499274
10.1063/1.3499274
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