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PL spectra (in semilogarithmic scale) at and detuning for emission angles from 0° to 40°. The spectra are shifted in intensity for clarity. The dotted lines are guides to the eye, indicating the positions of the LP and UP emissions.
Experimental LP-PL intensities as a function of the external detection angle at different temperatures for a given initial detuning of (a) , (b) , and (c) , respectively. The insets represent the LP and UP dispersion curves at for (a) and (b) and at for (c). The intensities are normalized to unity for 0° detection angle.
Theoretical simulations of the LP-PL intensities as a function of angle. The lines are obtained as solutions of semiclassical Boltzmann equations using the initial detuning deduced from the experimental data represented in Fig. 2: (a) , (b) , and (c) . The intensities are normalized to unity for 0° detection angle.
Experimental LP-PL intensities as a function of the external detection angle for different excitation power densities at a temperature of . The detuning between the uncoupled photon and exciton modes at is . The intensities are normalized to the excitation power density.
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