4 papers
Suppression of nuclear spin diffusion at a GaAs/AlGaAs interface measured with a single quantum dot nano-probe
A. E. Nikolaenko, E. A. Chekhovich, M. N. Makhonin +7
Nuclear spin polarization dynamics are measured in optically pumped individual GaAs/AlGaAs interface quantum dots by detecting the time-dependence of the Overhauser shift in photol…
Overhauser effect in individual InP/GaInP dots
J. Skiba-Szymanska, A. V. Nikolaenko, E. A. Chekhovich +5
Sizable nuclear spin polarization is pumped in individual InP/GaInP dots in a wide range of external magnetic fields B_ext=0-5T by circularly polarized optical excitation. We obser…
Long nuclear spin decay times controlled by optical pumping in individual quantum dots
M. N. Makhonin, A. I. Tartakovskii, I. Drouzas +8
Nuclear polarization dynamics are measured in the nuclear spin bi-stability regime in a single optically pumped InGaAs/GaAs quantum dot. The controlling role of nuclear spin diffus…
Nuclear Spin Switch in Semiconductor Quantum Dots
A. I. Tartakovskii, T. Wright, A. Russell +10
We show that by illuminating an InGaAs/GaAs self-assembled quantum dot with circularly polarized light, the nuclei of atoms constituting the dot can be driven into a bistable regim…