71 citations · 221 across the 7 of their papers we have counts for
7 papers
Nuclear magnetization in gallium arsenide quantum dots at zero magnetic field
G. Sallen, S. Kunz, T. Amand +8
Optical and electrical control of the nuclear spin system allows enhancing the sensitivity of NMR applications and spin-based information storage and processing. Dynamic nuclear po…
Voltage control of electron-nuclear spin correlation time in a single quantum dot
J. Nilsson, L. Bouet, A. J. Bennett +8
We demonstrate bias control of the hyperfine coupling between a single electron in an InAs quantum dot and the surrounding nuclear spins monitored through the positively charged ex…
Magnetic field induced valence band mixing in [111] grown semiconductor quantum dots
M. V. Durnev, M. M. Glazov, E. L. Ivchenko +11
We present a microscopic theory of the magnetic field induced mixing of heavy-hole states +/- 3/2 in GaAs droplet dots grown on (111)A substrates. The proposed theoretical model ta…
Dark-bright mixing of interband transitions in symmetric semiconductor quantum dots
G. Sallen, B. Urbaszek, M. M. Glazov +10
In photoluminescence spectra of symmetric [111] grown GaAs/AlGaAs quantum dots in longitudinal magnetic fields applied along the growth axis we observe in addition to the expected…
Electron g-Factor Anisotropy in Symmetric (110)-oriented GaAs Quantum Wells
J. Hübner, S. Kunz, S. Oertel +6
We demonstrate by spin quantum beat spectroscopy that in undoped symmetric (110)-oriented GaAs/AlGaAs single quantum wells even a symmetric spatial envelope wavefunction gives rise…
Electron spin relaxation as evidence of excitons in an electron-hole plasma
S. Oertel, S. Kunz, D. Schuh +3
We exploit the influence of the Coulomb interaction between electrons and holes on the electron spin relaxation in a (110)-GaAs quantum well to unveil excitonic signatures within t…
Impact of heavy hole-light hole coupling on optical selection rules in GaAs quantum dots
Thomas Belhadj, Thierry Amand, Alejandro Kunold +8
We report strong heavy hole-light mixing in GaAs quantum dots grown by droplet epitaxy. Using the neutral and charged exciton emission as a monitor we observe the direct consequenc…