Voltage control of electron-nuclear spin correlation time in a single quantum dot - INSA Toulouse - Institut National des Sciences Appliquées de Toulouse Access content directly
Journal Articles Physical Review B: Condensed Matter and Materials Physics (1998-2015) Year : 2013

Voltage control of electron-nuclear spin correlation time in a single quantum dot

Abstract

We demonstrate bias control of the efficiency of the hyperfine coupling between a single electron in an InAs quantum dot and the surrounding nuclear spins monitored through the positively charged exciton X+ emission. In applied longitudinal magnetic fields, we vary simultaneously the correlation time of the hyperfine interaction and the nuclear spin relaxation time and thereby the amplitude of the achieved dynamic nuclear polarization under optical pumping conditions. In applied transverse magnetic fields, a change in the applied bias allows a switch from the anomalous Hanle effect to the standard electron spin depolarization curves.
No file

Dates and versions

hal-02050586 , version 1 (27-02-2019)

Identifiers

  • HAL Id : hal-02050586 , version 1

Cite

J. Nilsson, Louis Bouet, J. Bennett, Thierry Amand, R. Stevenson, et al.. Voltage control of electron-nuclear spin correlation time in a single quantum dot. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 88 (8). ⟨hal-02050586⟩
20 View
0 Download

Share

Gmail Mastodon Facebook X LinkedIn More