Title :
Directing nuclear spin flips in InAs quantum dots using detuned optical pulse trains
Author :
Carter, S.G. ; Shabaev, A. ; Economou, Sophia E. ; Kennedy, T.A. ; Bracker, A.S. ; Reinecke, T.L.
Author_Institution :
Naval Res. Lab., Washington, DC, USA
Abstract :
We demonstrate that the sign of detuning of an optical pulse train from quantum dot resonances controls the direction of nuclear spin flips. This effect can produce a narrow, precise distribution of nuclear spin polarizations.
Keywords :
III-V semiconductors; electron spin polarisation; high-speed optical techniques; indium compounds; semiconductor quantum dots; InAs; InAs quantum dots; detuning; nuclear spin flips; nuclear spin polarization; optical pulse train; quantum dot resonance; Bandwidth; Delay; Electron optics; Optical polarization; Optical pulses; Optical pumping; Probes; Quantum computing; Quantum dots; Resonance; (300.6470) Spectroscopy, semiconductors; (320.7130) Ultrafast processes in condensed matter, including semiconductors;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
