Abstract
We explore the alteration that occurs in Autler–Townes (AT) splitting caused by the competition of phonon intensity and polarized dressing fields in second-order fluorescence (FL) signals in both the spectral and the time domain. By varying the polarization dressing along with temperature, we control the AT-splitting of the FL signal. Furthermore, we analyze the noise correlation and squeezing of spontaneous four-wave mixing (SP-FWM) to investigate the effect of phonon and polarized dressing fields. These results are applied for optical temperature sensors and switching devices, which can be controlled by the competition between phonon and polarization dressing. Optical temperature sensor sensitivity and switching speeds are 96% and 15 ns, respectively.
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