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Investigation of the optical properties of multiple-quantum-well laser with 8-band and 10-band model
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View: Figures


Image of FIG. 1.
FIG. 1.

Schematic band diagram for the multiple quantum wells with barrier formed by tensile-strained and unstrained layers. and are the thickness of the and barriers, respectively. is the thickness of the compressive strained active layer.

Image of FIG. 2.
FIG. 2.

CW light output power versus injection current measured at room temperature (RT) for a ridge waveguide triple quantum wells. The inset shows the lasing spectrum of the MQW at an injection current of .

Image of FIG. 3.
FIG. 3.

The in-plane energy dispersion curves of the quantum wells with . (a) and (b) are the conduction and valence subbands, respectively. Solid line is the result calculated using 8-band model, dashed line is that of the 10-band model.

Image of FIG. 4.
FIG. 4.

(a) Maximum optical gain of the TE-mode as a function of carrier density. (b) Radiative current density as a function of carrier density. Solid lines are for structure , dashed lines are for structure .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Investigation of the optical properties of InGaAsN∕GaAs∕GaAsP multiple-quantum-well laser with 8-band and 10-band k·p model