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Thermal conductivity of 1.3 μm InAs/GaAs quantum dot laser active material from chirp and 3ω measurements
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10.1063/1.3687160
/content/aip/journal/apl/100/8/10.1063/1.3687160
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/8/10.1063/1.3687160
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic of the QD-DFB laser structure.

Image of FIG. 2.
FIG. 2.

(Color online) Measured (squares) via Wheatstone bridge and calculated (triangles) of the GaAs substrate.

Image of FIG. 3.
FIG. 3.

(Color online) Wavelength shift with current at various duty cycles. Inset: Thermal chirp at DC input current of 55 mA.

Image of FIG. 4.
FIG. 4.

(Color online) Simulation of temperature field of QD-DFB laser with ANSYS.

Image of FIG. 5.
FIG. 5.

(Color online) Relative temperature change in active region with injected current measured (points) and calculated (line) with an active region thermal conductivity of 0.044 W/(m-K).

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/content/aip/journal/apl/100/8/10.1063/1.3687160
2012-02-23
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermal conductivity of 1.3 μm InAs/GaAs quantum dot laser active material from chirp and 3ω measurements
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/8/10.1063/1.3687160
10.1063/1.3687160
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