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Continuous wave operation of injectorless quantum cascade lasers at low temperatures
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10.1063/1.2841704
/content/aip/journal/apl/92/18/10.1063/1.2841704
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/18/10.1063/1.2841704

Figures

Image of FIG. 1.
FIG. 1.

Wave functions of the injectorless active zone under the double phonon resonance condition. Laser levels are 4 and 3.

Image of FIG. 2.
FIG. 2.

deep wet chemically etched mesa with electroplated gold heat sink and base width of .

Image of FIG. 3.
FIG. 3.

Threshold current density at different temperatures under continuous wave operation (solid) and pulsed operation (dashed). The laser is long and wide, and, contains 50 periods. was estimated to be .

Image of FIG. 4.
FIG. 4.

Comparison of output power between pulsed (dashed) and cw (solid) operation and a pulsed curve, both at for the sample with 60 periods, length of , and width of .

Tables

Generic image for table
Table I.

Structures used for measurement (samples 1 and 2). Each column defines a layer.

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/content/aip/journal/apl/92/18/10.1063/1.2841704
2008-05-06
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Continuous wave operation of injectorless quantum cascade lasers at low temperatures
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/18/10.1063/1.2841704
10.1063/1.2841704
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