Search Results - "Bernardot, F."

Spin relaxation time of donor-bound electrons in a CdTe quantum well by Garcia-Arellano, G., Bernardot, Frédéric, Karczewski, G., Testelin, C., Chamarro, M.

“…Low-temperature spin relaxation time of electrons localized on iodine donors placed in the middle of a 8-nm CdTe quantum well is studied by using the…”
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Electron exchange energy of neutral donors inside a quantum well by Garcia-Arellano, G., Bernardot, Frédéric, Testelin, C., Chamarro, M.

“…We calculated the exchange energy of a pair of donor-bound electrons placed in the middle of an infinite quantum well (QW). In order to obtain this energy for…”
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Temperature dependence of the spin relaxation time of donor-bound electrons immersed in a CdTe quantum well by Garcia-Arellano, G., Bernardot, Frédéric, Karczewski, G., Testelin, C., Chamarro, M.

“…The behavior of the spin relaxation time of electrons bound to donors immersed in the middle of a CdTe quantum well was measured in the range of temperatures…”
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Hole-nuclear spin interaction in quantum dots by Eble, B, Testelin, C, Desfonds, P, Bernardot, F, Balocchi, A, Amand, T, Miard, A, Lemaître, A, Marie, X, Chamarro, M

“…We have measured the carrier spin dynamics in p-doped InAs/GaAs quantum dots by pump-probe and time-resolved photoluminescence experiments. We obtained…”
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Two-phonon process and hyperfine interaction limiting slow hole-spin relaxation time in InAs/GaAs quantum dots by Fras, F., Eble, B., Desfonds, P., Bernardot, F., Testelin, C., Chamarro, M., Miard, A., Lemaître, A.

“…We study the hole-spin relaxation in p-doped InAs quantum dots. Two relaxation mechanisms are evidenced, at low magnetic field (0 < or = B < or = 2T) and low…”
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Effects of thickness layer on the photoluminescence properties of InAlAs/GaAlAs quantum dots by Daly, A. Ben, Bernardot, F., Barisien, T., Galopin, E., Lemaître, A., Maaref, M. A., Testelin, C.

“…We investigated the effect of InAlAs layer thickness on exciton-spin relaxation and optical properties of In 0.62 Al 0.38 As/Al 0.67 Ga 0.33 As QDs. The…”
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Hole and trion spin dynamics in quantum dots under excitation by a train of circularly polarized pulses by Eble, B., Desfonds, P., Fras, F., Bernardot, F., Testelin, C., Chamarro, M., Miard, A., Lemaître, A.

“…We have performed pump-probe experiments in p -doped InAs/GaAs quantum dots leading to the all-optical initialization and readout of hole spins. In order to…”
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Circularly Polarized Emission from Ensembles of InGaAs/GaAs Quantum Rings by Naouari, R., Ouerghi, W., Bernardot, F., Testelin, C., Maaref, M. A., Martinez-Pastor, J., Granados, D., Garcia, J. M.

“…Magneto-photoluminescence spectroscopy measurements were performed on self-assembled InGaAs/GaAs quantum rings. We report exciton exchange energy as a function…”
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Electron and hole spin cooling efficiency in InAs quantum dots: The role of nuclear field by Desfonds, P., Eble, B., Fras, F., Testelin, C., Bernardot, F., Chamarro, M., Urbaszek, B., Amand, T., Marie, X., Gérard, J. M., Thierry-Mieg, V., Miard, A., Lemaître, A.

“…The spin dynamics of a resident carrier, hole or electron, in singly charged InAs/GaAs quantum dots has been measured by pump-probe experiments. The relative…”
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From Lamb shift to light shifts: Vacuum and subphoton cavity fields measured by atomic phase sensitive detection by Brune, M, Nussenzveig, P, Schmidt-Kaler, F, Bernardot, F, Maali, A, Raimond, JM, Haroche, S

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Anisotropic spin splitting of the electron ground state in InAs quantum dots by Aubry, E., Testelin, C., Bernardot, F., Chamarro, M., Lemaître, A.

“…Photoinduced circular dichroism experiments in an oblique magnetic field allow measurements of Larmor precession frequencies, and so give a precise…”
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Exciton spin manipulation in inAs/GaAs quantum dots : Exchange interaction and magnetic field effects by SENES, M, URBASZEK, B, MARIE, X, AMAND, T, TRIBOLLET, J, BERNARDOT, F, TESTELIN, C, CHAMARRO, M, GERARD, J.-M

“…We report quantum beat phenomena between different polarization states in InAs quantum dots, observed in time-resolved photoluminescence and transient…”
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Enhancement of the electron spin memory by localization on donors in a CdTe quantum well by Tribollet, J., Aubry, E., Karczewski, G., Sermage, B., Bernardot, F., Testelin, C., Chamarro, M.

“…We present easily reproducible experimental conditions giving rise to a long electron spin memory at low temperature. The proposed system consists of an…”
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Interplay of spin dynamics of trions and two-dimensional electron gas in a n-doped CdTe single quantum well by Tribollet, J., Bernardot, Frédéric, Menant, Michel, Karczewski, G., Testelin, Christophe, Chamarro, Maria

“…We used the photoinduced Faraday rotation technique to study the low-temperature spin relaxation of excitons, trions, and two-dimensional electron gas in…”
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Linear and dynamical photoinduced dichroisms of InAs/GaAs self-assembled quantum dots: Population relaxation and decoherence measurements by Bernardot, Frédéric, Aubry, E, Tribollet, J, Testelin, Christophe, Chamarro, Maria, Lombez, L, Braun, Pf, Marie, Xavier, Amand, Thierry, Gerard, Jm

“…We present and model our pump-probe experiments measuring the photoinduced dynamics of an ensemble of self-assembled InAs/GaAs quantum dots. A pulsed pump…”
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Many-body origin of the “trion line” in doped quantum wells by Combescot, M., Tribollet, J., Karczewski, G., Bernardot, F., Testelin, C., Chamarro, M.

“…We explain why the so-called “trion line” in the absorption spectrum of doped wells, cannot be due to a set of 3-body trions but has to come from a singular…”
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Anisotropy of the electron Landé g factor in InAs/GaAs self-assembled quantum dots by Testelin, C., Aubry, E., Eble, B., Bernardot, F., Chamarro, M., Lemaître, A.

“…We report on the precise determination of the electron Landé g factor and its anisotropy in self-assembled InAs/GaAs quantum dots (QDs), by means of…”
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Hole–spin dephasing time associated with hyperfine interaction in quantum dots by Testelin, C., Bernardot, F., Eble, B., Chamarro, M.

“…The spin interaction of a hole confined in a quantum dot with the surrounding nuclei is described in terms of an effective magnetic field. We show that, in…”
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Hole spin mode locking and coherent dynamics in a largely inhomogeneous ensemble of p -doped InAs quantum dots by Fras, F., Eble, B., Siarry, B., Bernardot, F., Miard, A., Lemaître, A., Testelin, C., Chamarro, M.

“…In this study, we evidence hole spin mode locking in a largely inhomogeneous p-doped InAs quantum dot (QD) ensemble, Delta g super(h) sub(x)/g super(h) sub(x)…”
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Two time scales of the electron-hole spin relaxation in InAs/GaAs quantum dots by Testelin, C., Aubry, E., Chaouache, M., Maaref, M., Bernardot, F., Chamarro, M., Gérard, J.-M.

“…We have performed time‐resolved differential transmission on an ensemble of InAs/GaAs self‐assembled quantum dots. We have calculated the polarization rate…”
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