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Analytical model of spin-polarized semiconductor lasers
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View: Figures


Image of FIG. 1.
FIG. 1.

Photon densities of the left and right circularly polarized light as a function of electron current with polarization , infinite electron spin relaxation time, and LR. is normalized to the unpolarized threshold current , and is normalized to . The vertical lines indicate and thresholds, the arrows show their change when is reduced. Inset: total photon density for unpolarized laser and two spontaneous-emission coupling coefficients , as well as a spin laser with and .

Image of FIG. 2.
FIG. 2.

Electron and photon polarizations as a function of injection current , with polarization and different ratios of recombination and electron spin relaxation time, . LR and QR recombinations are shown. is normalized to the unpolarized threshold .

Image of FIG. 3.
FIG. 3.

Threshold current reduction as a function of injection polarization . Shown are both LR and QR for various , the ratio of recombination time, and electron spin relaxation time. The hole spin relaxation time , except for the circles that show the previously assumed “ideal” case, in which .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Analytical model of spin-polarized semiconductor lasers