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Abstract In this study, the angle-resolved photoluminescence spectra and reflection spectra from colloidal quantum dots on SiO 2 /Si material were investigated at room temperature. The strong coupling between quantum dots and F-P cavity was verified by both the photoluminescence spectral splitting and reflection dispersion. A Rabi splitting was obtained from both angle-resolved photoluminescence spectra and reflection spectra. The Hopfield coefficient of exciton and photon for polariton branches were calculated and analyzed. The relationship between Rabi frequency and excitation power for colloidal quantum dots was also studied. A method was proposed and used to characterize the cavity mode and the reflection dispersion by using open-aperture and close-aperture reflection spectra.
Xingsheng Xu (Tue,) studied this question.