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Polariton parametric oscillation in a single micropillar cavity
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) PL spectrum measured under nonresonant excitation for a pillar (temperature , exciton-photon detuning ). Inset: scanning electron microscopy image of the micropillar array. (b) (Top) Measured 2D far field patterns for the first three polariton levels (, , and are the resonance energies) and (bottom) their corresponding calculated patterns.

Image of FIG. 2.
FIG. 2.

(a) Emission spectra for various excitation powers under resonant pumping of the second polariton state in the micropillar. Left (respectively, right) inset: measured (top) and calculated (bottom) far-field pattern of the emission spectrally filtered at the signal (respectively, idler) energy in the OPO regime . (b) Measured values of as compared to the laser photon energy indicated with a red line.

Image of FIG. 3.
FIG. 3.

(a) Measured integrated emission intensity and (b) linewidth of signal and idler as a function of the excitation power. (c) Calculated emission intensity of signal and idler. (d) (squares) Calculated value of as a function of excitation power; (circles) the quantity , where is the calculated energy of the -mode renormalized by polariton–polariton interaction (see Ref. 23).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Polariton parametric oscillation in a single micropillar cavity