Fig. 4: Optical coherent control of phonon sidebands.
From: Microcavity phonoritons – a coherent optical-to-microwave interface
a Experiment energy scheme. b Spectral dependence of the GS PL of trap T1 on the control laser detuning (ΔL) under excitation of the BAWR. The tiny white rectangles are the δ-like PL peaks induced by the resonant excitation of the sidebands (yellow arrows). The PL energy (horizontal axis) and ΔL (vertical axis) are referenced to the zero-phonon line and scaled to the phonon energy (\(h{f}_{{{{{{{{\rm{LA}}}}}}}}}^{(3\lambda )}\)). The solid blue arrow indicates the position of the zero-phonon line. The diagonal line indicated by a dashed blue arrow is the Rayleigh scattering from the control laser. The inset shows a magnified region of the map plotted with the intensity in linear scale corresponding to the area defined by the dotted yellow square. c Integrated PL intensity of the sidebands as a function of ΔL. d Reference GS spectrum in the absence of the control laser and e–h for selected values of ΔL indicated by the yellow arrows. i An approximate energy diagram for the panel e. The two shifted groups of lines represent the phonoriton and the control laser phonon frequency combs.
