Dr. Bernhard Urbaszek Profile

Dr. Bernhard Urbaszek

at Lab de Physique et Chimie des Nano-objets

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Publications (8)

Proceedings Article | 20 August 2020 Presentation + Paper

Modal imaging of a laser Gaussian-beam reflected off a surface

M. Benelajla, E. Kammann, B. Urbaszek, K. Karrai

Proceedings Volume 11485, 114850E (2020) https://doi.org/10.1117/12.2568365

KEYWORDS: Mirrors, Polarizers, Confocal microscopy, Fluorescence confocal polarizing microscopy, Gaussian beams, Dielectric mirrors, Confocal laser scanning microscopy, Reflectivity

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Proceedings Article | 6 September 2017 Presentation + Paper

Very efficient electrical spin injection (/detection) into quantum dots at zero magnetic field

F. Cadiz, D. Lagarde, S. Liang, B. Tao, J. Frougier, Y. Lu, B. Xu, H. Jaffrès, Z. Wang, X. Han, M. Hehn, S. Mangin, J. M. George, H. Carrere, T. Amand, X. Marie, B. Urbaszek, P. Renucci

Proceedings Volume 10357, 103571D (2017) https://doi.org/10.1117/12.2273746

KEYWORDS: Magnetism, Quantum dots, Electroluminescence, Polarization, Light emitting diodes, Anisotropy, Photodiodes, Electrons, Semiconductor physics

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Proceedings Article | 4 November 2016 Presentation

Spin and valley polarization in MoS2, MoSe2, and WSe2 monolayers (Conference Presentation)

Cedric Robert, Gang Wang, Fabian Cadiz, Andréa Balocchi, Mikhail Glazov, Thierry Amand, Iann Gerber, Delphine Lagarde, Bernhard Urbaszek, Xavier Marie

Proceedings Volume 9931, 99313C (2016) https://doi.org/10.1117/12.2237774

KEYWORDS: Excitons, Physics, Polarization, Transition metals, Graphene, Spectroscopy, Crystals, Nanostructures, Spintronics

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Proceedings Article | 28 August 2014 Paper

Optical orientation of electron spins in GaAs L-valleys

Andrea Balocchi, Philippe Barate, Tiantian Zhang, Thierry Amand, Pierre Renucci, Hélène Carrère, Bernhard Urbaszek, Xavier Marie

Proceedings Volume 9167, 91670A (2014) https://doi.org/10.1117/12.2063921

KEYWORDS: Gallium arsenide, Polarization, Spin polarization, Luminescence, Picosecond phenomena, Spectroscopy, Time metrology, Scattering, Absorption, Geometrical optics

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Proceedings Article | 16 September 2011 Paper

Carrier and nuclear spin pumping in strain free GaAs/AlGaAs quantum dots grown by droplet epitaxy

T. Amand, B. Urbaszek, G. Sallen, S. Kunz, T. Kuroda, T. Belhadj, A. Kunold, T. Mano, M. Abbarchi, D. Lagarde, X. Marie, K. Sakoda

Proceedings Volume 8100, 81000H (2011) https://doi.org/10.1117/12.892681

KEYWORDS: Polarization, Electrons, Quantum dots, Gallium arsenide, Excitons, Quantum wells, Photon polarization, Indium arsenide, Epitaxy, Luminescence

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Proceedings Article | 21 February 2011 Paper

Robust quantum dot exciton preparation via adiabatic passage with frequency-swept laser pulses

B. Urbaszek, C.-M. Simon, T. Belhadj, B. Chatel, T. Amand, P. Dalgarno, O. Krebs, R. Warburton, A. Lemaitre, X. Marie, P. Renucci

Proceedings Volume 7937, 79371C (2011) https://doi.org/10.1117/12.877291

KEYWORDS: Quantum dots, Excitons, Semiconductor lasers, Pulsed laser operation, Laser applications, Laser marking, Semiconductors, Quantum physics, Chemical species, Quantum efficiency

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Proceedings Article | 4 September 2008 Paper

Optical initialisation and control of carrier and nuclear spins in individual semiconductor quantum dots

X. Marie, O. Krebs, B. Urbaszek, T. Belhadj, C.-M. Simon, A. Lemaitre, P. Voisin, T. Amand

Proceedings Volume 7036, 70360I (2008) https://doi.org/10.1117/12.795244

KEYWORDS: Polarization, Magnetism, Quantum dots, Luminescence, Spin polarization, Gallium arsenide, Semiconductors, Excitons, Picosecond phenomena, Quantum communications

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Proceedings Article | 15 February 2006 Paper

Direct observation of the electron spin relaxation induced by nuclei in quantum dots

P.-F. Braun, L. Lombez, X. Marie, B. Urbaszek, T. Amand, P. Renucci, D. Lagarde, V. K. Kalevich, K. V. Kavokin, O. Krebs, P. Voisin

Proceedings Volume 6118, 61180Q (2006) https://doi.org/10.1117/12.641399

KEYWORDS: Polarization, Magnetism, Luminescence, Quantum dots, Picosecond phenomena, Spin polarization, Excitons, Spin dynamics, Semiconductors, Doping

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Showing 5 of 8 publications

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