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Caspar Hopfmann
Caspar Hopfmann
Postdoc, IFW-Dresden
ifw-dresden.de의 이메일 확인됨 - 홈페이지
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Observing chaos for quantum-dot microlasers with external feedback
F Albert, C Hopfmann, S Reitzenstein, C Schneider, S Höfling, ...
Nature communications 2 (1), 1-5, 2011
952011
Intensity fluctuations in bimodal micropillar lasers enhanced by quantum-dot gain competition
HAM Leymann, C Hopfmann, F Albert, A Foerster, M Khanbekyan, ...
Physical Review A 87 (5), 053819, 2013
622013
On‐Chip Quantum Optics with Quantum Dot Microcavities
E Stock, F Albert, C Hopfmann, M Lermer, C Schneider, S Höfling, ...
Advanced Materials 25 (5), 707-710, 2013
622013
Directional whispering gallery mode emission from Limaçon-shaped electrically pumped quantum dot micropillar lasers
F Albert, C Hopfmann, A Eberspächer, F Arnold, M Emmerling, ...
Applied Physics Letters 101 (2), 021116, 2012
462012
Generating single photons at gigahertz modulation-speed using electrically controlled quantum dot microlenses
A Schlehahn, R Schmidt, C Hopfmann, JH Schulze, A Strittmatter, ...
Applied Physics Letters 108 (2), 021104, 2016
332016
Pump-power-driven mode switching in a microcavity device and its relation to bose-einstein condensation
HAM Leymann, D Vorberg, T Lettau, C Hopfmann, C Schneider, M Kamp, ...
Physical Review X 7 (2), 021045, 2017
302017
Strong light-matter coupling in the presence of lasing
C Gies, F Gericke, P Gartner, S Holzinger, C Hopfmann, T Heindel, ...
Physical Review A 96 (2), 023806, 2017
272017
Nonlinear emission characteristics of quantum dot–micropillar lasers in the presence of polarized optical feedback
C Hopfmann, F Albert, C Schneider, S Höfling, M Kamp, A Forchel, ...
New Journal of Physics 15 (2), 025030, 2013
242013
Depolarization of electronic spin qubits confined in semiconductor quantum dots
D Cogan, O Kenneth, NH Lindner, G Peniakov, C Hopfmann, D Dalacu, ...
Physical Review X 8 (4), 041050, 2018
212018
Correlations between axial and lateral emission of coupled quantum dot–micropillar cavities
A Musiał, C Hopfmann, T Heindel, C Gies, M Florian, HAM Leymann, ...
Physical Review B 91 (20), 205310, 2015
212015
Electrically driven quantum dot micropillar light sources
S Reitzenstein, T Heindel, C Kistner, F Albert, T Braun, C Hopfmann, ...
IEEE Journal of Selected Topics in Quantum Electronics 17 (6), 1670-1680, 2011
212011
Unconventional collective normal-mode coupling in quantum-dot-based bimodal microlasers
M Khanbekyan, HAM Leymann, C Hopfmann, A Foerster, C Schneider, ...
Physical Review A 91 (4), 043840, 2015
202015
Transition from Jaynes-Cummings to Autler-Townes ladder in a quantum dot–microcavity system
C Hopfmann, A Carmele, A Musiał, C Schneider, M Kamp, S Höfling, ...
Physical Review B 95 (3), 035302, 2017
182017
Bright single-photon sources based on anti-reflection coated deterministic quantum dot microlenses
P Schnauber, A Thoma, CV Heine, A Schlehahn, L Gantz, M Gschrey, ...
Technologies 4 (1), 1, 2015
182015
Compensation of phonon-induced renormalization of vacuum Rabi splitting in large quantum dots: Towards temperature-stable strong coupling in the solid state with quantum dot …
C Hopfmann, A Musiał, M Strauß, AM Barth, M Glässl, A Vagov, ...
Physical Review B 92 (24), 245403, 2015
92015
Maximally entangled and gigahertz-clocked on-demand photon pair source
C Hopfmann, W Nie, NL Sharma, C Weigelt, F Ding, OG Schmidt
Physical Review B 103 (7), 075413, 2021
62021
Controlling the gain contribution of background emitters in few-quantum-dot microlasers
F Gericke, M Segnon, M von Helversen, C Hopfmann, T Heindel, ...
New Journal of Physics 20 (2), 023036, 2018
62018
Efficient stray-light suppression for resonance fluorescence in quantum dot micropillars using self-aligned metal apertures
C Hopfmann, A Musiał, S Maier, M Emmerling, C Schneider, S Höfling, ...
Semiconductor Science and Technology 31 (9), 095007, 2016
52016
Heralded preparation of spin qubits in droplet-etched GaAs quantum dots using quasiresonant excitation
C Hopfmann, NL Sharma, W Nie, R Keil, F Ding, OG Schmidt
Physical Review B 104 (7), 075301, 2021
32021
Coherently-driven exciton polaritons and directional cQED effects in the quantum dot-micropillar system
C Hopfmann
PQDT-Global, 2018
22018
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