Abstract
By means of hydrostatic pressure tuning, we have observed thestrong-coupling exciton-polariton mode in a planar microcavity with an InGaAs/GaAs quantum well embedded in it, over a pressure rangefrom 0.37 to 0.41 GPa. The experimental data canbe fitted very well to a corresponding theoretical formula with a uniquevalue of the vacuum Rabi splitting equal to 6.0 meV. A comparisonbetween pressure tuning and other tuning methods is madeas regards to what extent the intrinsic featuresof the exciton and cavity will be influenced during the tuningprocedure.
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