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High-differential-quantum-efficiency, long-wavelength vertical-cavity lasers using five-stage bipolar-cascade active regions
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10.1063/1.1931060
/content/aip/journal/apl/86/21/10.1063/1.1931060
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/21/10.1063/1.1931060
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Illustration of current path in bipolar-cascade lasers.

Image of FIG. 2.
FIG. 2.

Schematics of shallow (Sample A) and deeply etched (Sample B) pillars, illustrating diffraction loss from the bottom DBR for Sample A.

Image of FIG. 3.
FIG. 3.

Light-current-voltage plot of Samples A and B under pulsed operation at .

Image of FIG. 4.
FIG. 4.

Differential quantum efficiency vs pillar diameter for Sample A (square) and Sample B (circle).

Image of FIG. 5.
FIG. 5.

Simulated diffraction loss for an pillar vs number of DBR periods, with the top axis indicating the corresponding reflectivity. The number of active stages required to maintain constant threshold gains of (circles), (squares), and (diamonds) is also plotted as a function of the number of DBR periods and reflectivity.

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/content/aip/journal/apl/86/21/10.1063/1.1931060
2005-05-16
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: High-differential-quantum-efficiency, long-wavelength vertical-cavity lasers using five-stage bipolar-cascade active regions
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/21/10.1063/1.1931060
10.1063/1.1931060
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