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Intrinsic exciton states mixing and non-linear optical properties in transition metal dichalcogenide monolayers
M. M. Glazov, L. E. Golub, G. Wang +3
Optical properties of transition metal dichalcogenides monolayers are controlled by the Wannier-Mott excitons forming a series of , , ,... hydrogen-like states. We deve…
Hyperfine coupling of hole and nuclear spins in symmetric GaAs quantum dots
M. Vidal, M. V. Durnev, L. Bouet +10
In self assembled III-V semiconductor quantum dots, valence holes have longer spin coherence times than the conduction electrons, due to their weaker coupling to nuclear spin bath…
Magneto-spectroscopy of excited states in charge-tunable GaAs/AlGaAs [111] quantum dots
M. V. Durnev, M. Vidal, L. Bouet +11
We present a combined experimental and theoretical study of highly charged and excited electron-hole complexes in strain-free (111) GaAs/AlGaAs quantum dots grown by droplet epitax…
Charge tuning in [111] grown GaAs droplet quantum dots
L. Bouet, M. Vidal, T. Mano +10
We demonstrate charge tuning in strain free GaAs/AlGaAs quantum dots (QDs) grown by droplet epitaxy on a GaAs(111)A substrate. Application of a bias voltage allows the controlled c…
Electron Spin Dephasing and Optical Pumping of Nuclear Spins in GaN
G. Wang, C. R. Zhu, B. L. Liu +6
We have measured the donor-bound electron spin dynamics in cubic GaN by time-resolved Kerr rotation experiments. The ensemble electron spin dephasing time in this quantum dot like…
Room temperature optical manipulation of nuclear spin polarization in GaAsN
C. Sandoval-Santana, A. Balocchi, T. Amand +3
The effect of hyperfine interaction on the room-temperature defect-enabled spin filtering effect in GaNAs alloys is investigated both experimentally and theoretically through a mas…