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Improvement of temperature-stability in a quantum well laser with asymmetric barrier layers
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10.1063/1.3676085
/content/aip/journal/apl/100/2/10.1063/1.3676085
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/2/10.1063/1.3676085
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Energy band diagrams of CQW laser (a) and ABL QW laser (b).

Image of FIG. 2.
FIG. 2.

Temperature dependence of the threshold current density (squares, left axis) and characteristic temperature (circles, right axis) for 0.5 mm-long lasers. Dark symbols—ABL QW laser; open symbols—CQW laser.

Image of FIG. 3.
FIG. 3.

Reciprocal differential quantum efficiency against cavity length measured at 20 (squares) and 100 °C (circles). Dark symbols—ABL laser; open symbols—CQW laser. Linear fit: 20 °C—solid lines; 100 °C—dashed lines.

Image of FIG. 4.
FIG. 4.

Modal gain against threshold current density measured at 20 (squares) and 100 °C (circles). Dark symbols—ABL laser; open symbols—CQW laser. Logarithmic fit: 20 °C—solid line; 100 °C—dashed line.

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/content/aip/journal/apl/100/2/10.1063/1.3676085
2012-01-10
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Improvement of temperature-stability in a quantum well laser with asymmetric barrier layers
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/2/10.1063/1.3676085
10.1063/1.3676085
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