51 citations · 247 across the 12 of their papers we have counts for
11 papers · 1 filter
Kerr effect induced by exchange interaction of electrons separated by a tunnel barrier in a double quantum well
V. K. Kalevich, K. V. Kavokin, M. M. Afanasiev +4
In a structure with two tunnel-coupled quantum wells of different widths, the spin dynamics resulting from resonant pulsed optical pumping of the narrow-well exciton includes the w…
Electron-nucleus spin correlation conservation of the spin dependent recombination in Ga centers
J. C. Sandoval-Santana, V. G. Ibarra-Sierra, H. Carrère +7
Spin dependent recombination in GaAsN offers many interesting possibilities in the design of spintronic devices mostly due to its astounding capability to reach conduction band ele…
Persistent circular currents of exciton-polaritons in cylindrical pillar microcavities
V. A. Lukoshkin, V. K. Kalevich, M. M. Afanasiev +5
We have experimentally observed an eddy current of exciton polaritons arising in a cylindrical GaAs/AlGaAs pillar microcavity under the nonresonant optical pumping. The polariton c…
Spin-dependent recombination in GaAs(1-x)N(x) alloys at oblique magnetic field
E. L. Ivchenko, L. A. Bakaleinikov, M. M. Afanasiev +1
We have studied experimentally and theoretically the optical orientation and spin-dependent Shockley-Read-Hall recombination in a semiconductor in a magnetic field at an arbitrary…
Controllable structuring of exciton-polariton condensates in cylindrical pillar microcavities
V. K. Kalevich, M. M. Afanasiev, V. A. Lukoshkin +7
We observe condensation of exciton polaritons in quantum states composed of concentric rings when exciting cylindrical pillar GaAs/AlGaAs microcavities non-resonantly by a focused…
Ring-shaped polariton lasing in pillar microcavities
V. K. Kalevich, M. M. Afanasiev, V. A. Lukoshkin +4
Optically generated exciton-polaritons in cylindric semiconductor pillar microcavity with embedded GaAs/AlGaAs quantum wells demonstrate a clear polariton lasing regime. When excit…
Phase diagrams of magnetopolariton gases
V. P. Kochereshko, M. V. Durnev, L. Besombes +17
The magnetic field effect on phase transitions in electrically neutral bosonic systems is much less studied than those in fermionic systems, such as superconducting or ferromagneti…
Optical orientation of nuclei in nitrogen alloys GaAsN at room temperature
V. K. Kalevich, M. M. Afanasiev, A. Yu. Shiryaev +1
The intensity and the giant circular polarization of edge luminescence in a longitudinal magnetic field have been measured in nitrogen alloys GaAsN under circularly polarized pumpi…
Amplification of spin-filtering effect by magnetic field in GaAsN alloys
V. K. Kalevich, M. M. Afanasiev, A. Yu. Shiryaev +1
We have found that intensity and circular polarization degree of the edge photoluminescence, excited in GaAsN alloys by circularly polarized light at room temperature, grow…
Optical orientation and spin-dependent recombination in GaAsN alloys under continuous-wave pumping
E. L. Ivchenko, V. K. Kalevich, A. Yu. Shiryaev +2
We present a systematic theoretical study of spin-dependent recombination and its effect on optical orientation of photoelectron spins in semiconductors with deep paramagnetic cent…
The sign of electron g-factor in GaAs(1-x)N(x) measured by using the Hanle effect
V. K. Kalevich, E. L. Ivchenko, A. Yu. Shiryaev +4
Positive signs of the effective g-factors for free electrons in the conduction band and electrons localized on deep paramagnetic centers have been measured in nitrogen dilute alloy…