Add to ORKGElectron spin coherence has been generated optically in n-type modulation doped (In,Ga)As/GaAs quantum dots (QDs) which contain on average a single electron per dot. The coherence arises from resonant excitation of the QDs by circularly-polarized laser pulses, creating a coherent superposition of an electron and a trion state. Time dependent Faraday rotation is used to probe the spin precession of the optically oriented electrons about a transverse magnetic field. Spin coherence generation can be controlled by pulse intensity, being most efficient for (2n+1)pi-pulses
Ce travail de thèse étudie la dynamique et la cohérence du spin dans des ensembles de boîtes quantiq...
We optically generated an electronic state in a single InAs/GaAs self-assembled quantum dot that is ...
Measurements of the electron spin relaxation rate (T 1) in charged GaAs quantum dots are made using ...
We report experimental studies of optical manipulation of electron spin coherence by linearly or cir...
We have experimentally studied the spin dynamics of excitons, electrons, and trions in charge-tunabl...
Spin coherence generation in an ensemble of negatively charged (In,Ga)As/GaAs quantum dots was inves...
Coherent manipulation of quantum bits (qubits) on time scales much shorter than the coherence time 1...
In this work, we study the resonant nonlinear optical response obtained when optical fields are used...
We demonstrated coherent control of a quantum two-level system based on two-electron spin states in ...
We demonstrated coherent control of a quantum two-level system based on two-electron spin states in ...
For spin-based quantum computation in semiconductors, dephasing of electron spins by a fluctuating b...
In this thesis, the coherent nonlinear optical spectroscopy of negatively charged interface fluctuat...
We have studied the dependence of the electron in-plane g factor and spin decoherence time on the bu...
An electron does not only have an electric charge, but also a small magnetic moment, called spin. In...
Quantum dots are attractive due to their potential technological applications and the opportunity th...
Ce travail de thèse étudie la dynamique et la cohérence du spin dans des ensembles de boîtes quantiq...
We optically generated an electronic state in a single InAs/GaAs self-assembled quantum dot that is ...
Measurements of the electron spin relaxation rate (T 1) in charged GaAs quantum dots are made using ...
We report experimental studies of optical manipulation of electron spin coherence by linearly or cir...
We have experimentally studied the spin dynamics of excitons, electrons, and trions in charge-tunabl...
Spin coherence generation in an ensemble of negatively charged (In,Ga)As/GaAs quantum dots was inves...
Coherent manipulation of quantum bits (qubits) on time scales much shorter than the coherence time 1...
In this work, we study the resonant nonlinear optical response obtained when optical fields are used...
We demonstrated coherent control of a quantum two-level system based on two-electron spin states in ...
We demonstrated coherent control of a quantum two-level system based on two-electron spin states in ...
For spin-based quantum computation in semiconductors, dephasing of electron spins by a fluctuating b...
In this thesis, the coherent nonlinear optical spectroscopy of negatively charged interface fluctuat...
We have studied the dependence of the electron in-plane g factor and spin decoherence time on the bu...
An electron does not only have an electric charge, but also a small magnetic moment, called spin. In...
Quantum dots are attractive due to their potential technological applications and the opportunity th...
Ce travail de thèse étudie la dynamique et la cohérence du spin dans des ensembles de boîtes quantiq...
We optically generated an electronic state in a single InAs/GaAs self-assembled quantum dot that is ...
Measurements of the electron spin relaxation rate (T 1) in charged GaAs quantum dots are made using ...