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Laser emission from GaN photonic crystals
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10.1063/1.2236107
/content/aip/journal/apl/89/7/10.1063/1.2236107
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/7/10.1063/1.2236107
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of PC structure in GaN. The period of the PC structure is around . The insets show the etching depth to be around and the diameter of the air hole to be around , corresponding to the ratio of 0.337.

Image of FIG. 2.
FIG. 2.

(a) Experimental setup of microphotoluminescence. (b) Optical pumping spectra of the bulk GaN and GaN PC structure. (c) Optical pumping spectra for different pumping energies. (d) The FWHM and the intensity of the peak of the PC structure for different pumping energies.

Image of FIG. 3.
FIG. 3.

Band gap of the PC structure vs the radius-to-period ratio calculated by PWE and the peak positions of the optical pumping spectra. The gray zone represents the spontaneous emission spectral range of GaN bulk.

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/content/aip/journal/apl/89/7/10.1063/1.2236107
2006-08-18
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Laser emission from GaN photonic crystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/7/10.1063/1.2236107
10.1063/1.2236107
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