Hole spin mode locking and coherent dynamics in a largely inhomogeneous ensemble of p-doped InAs quantum dots
Résumé
In this study, we evidence hole spin mode locking in a largely inhomogeneous p-doped InAs quantum dot (QD) ensemble, Δgxh/gxh≈34%, which allows us to reveal a long spin coherence time of T2h≈0.8μs. In addition, with a two-pump experiment, we demonstrate, in a low magnetic range 60-120 mT, the possibility to synchronize and tune a single subset of QDs through the distribution. Experiments are supported by an analysis within the density matrix approach.
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