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Effect of gain localization in circular-grating distributed feedback lasers
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10.1063/1.2120915
/content/aip/journal/apl/87/20/10.1063/1.2120915
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/20/10.1063/1.2120915
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Mode intensity of the lowest threshold even and odd radial modes, normalized for equal power within resonator. Inset: schematic polymer CDFB laser.

Image of FIG. 2.
FIG. 2.

Measured laser threshold energies as a function of pump beam radius. Curve shows the calculated dependence of threshold on pump beam radius (normalized to the threshold under uniform pumping) for the lowest threshold odd radial mode. Inset shows measured energy characteristic for .

Image of FIG. 3.
FIG. 3.

Calculated threshold energy normalized to that of a uniformly pumped CDFB grating, , for different inversion-field overlaps. Truncated Gaussian pump beams are truncated at the outer radius of the grating.

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/content/aip/journal/apl/87/20/10.1063/1.2120915
2005-11-07
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of gain localization in circular-grating distributed feedback lasers
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/20/10.1063/1.2120915
10.1063/1.2120915
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