57 citations · 266 across the 13 of their papers we have counts for
13 papers
Quantum Teleportation with Telecom Photons from Remote Quantum Emitters
Tim Strobel, Michal Vyvlecka, Ilenia Neureuther +13
The quest for a global quantum internet is based on the realization of a scalable network which requires quantum hardware with exceptional performance. Among them are quantum light…
High fidelity distribution of triggered polarization-entangled telecom photons via a 36km intra-city fiber network
Tim Strobel, Stefan Kazmaier, Tobias Bauer +16
Fiber-based distribution of triggered, entangled, single-photon pairs is a key requirement for the future development of terrestrial quantum networks. In this context, semiconducto…
Photoneutralization of charges in GaAs quantum dot based entangled photon emitters
Jingzhong Yang, Tom Fandrich, Frederik Benthin +7
Semiconductor-based emitters of pairwise photonic entanglement are a promising constituent of photonic quantum technologies. They are known for the ability to generate discrete pho…
Statistical limits for quantum networks with semiconductor entangled photon sources
Jingzhong Yang, Michael Zopf, Pengji Li +9
Semiconductor quantum dots are promising building blocks for quantum communication applications. Although deterministic, efficient, and coherent emission of entangled photons has b…
Deterministic preparation of spin qubits in droplet etched GaAs quantum dots using quasi-resonant excitation
Caspar Hopfmann, Nand Lal Sharma, Weijie Nie +3
We present a first comprehensive study on deterministic spin preparation employing excited state resonances of droplet etched GaAs quantum dots. This achievement facilitates future…
Maximally entangled and GHz-clocked on-demand photon pair source
Caspar Hopfmann, Weijie Nie, Nand Lal Sharma +3
We present a 1 GHz-clocked, maximally entangled and on-demand photon pair source based on droplet etched GaAs quantum dots using two-photon excitation. By employing these GaP micro…
Depolarization of Electronic Spin Qubits Confined in Semiconductor Quantum Dots
Dan Cogan, Oded Kenneth, Netanel H. Lindner +6
Quantum dots are arguably the best interface between matter spin qubits and flying photonic qubits. Using quantum dot devices to produce joint spin-photonic states requires the ele…
Controlling the gain contribution of background emitters in few-quantum-dot microlasers
F. Gericke, M. Segnon, M. von Helversen +9
We provide experimental and theoretical insight into single-emitter lasing effects in a quantum dot (QD)-microlaser under controlled variation of background gain provided by off-re…
Pump-power-driven mode switching in a microcavity device and its relation to Bose-Einstein condensation
H. A. M. Leymann, D. Vorberg, T. Lettau +8
We investigate the switching of the coherent emission mode of a bimodal microcavity device, occurring when the pump power is varied. We compare experimental data to theoretical res…
Transition from Jaynes-Cummings to Autler-Townes ladder in a quantum dot-microcavity system
Caspar Hopfmann, Alexander Carmele, Anna Musiał +5
We study experimentally and theoretically a coherently-driven strongly-coupled quantum dot-microcavity system. Our focus is on physics of the unexplored intermediate excitation reg…
Strong light-matter coupling in the presence of lasing
Christopher Gies, Fabian Gericke, Paul Gartner +10
The regime of strong light-matter coupling is typically associated with weak excitation. With current realizations of cavity-QED systems, strong coupling may persevere even at elev…
Generating single photons at GHz modulation-speed using electrically controlled quantum dot microlenses
A. Schlehahn, R. Schmidt, C. Hopfmann +7
We report on the generation of single-photon pulse trains at a repetition rate of up to 1 GHz. We achieve this high speed by modulating the external voltage applied on an electrica…
Intensity fluctuations in bimodal micropillar lasers enhanced by quantum-dot gain competition
H. A. M. Leymann, C. Hopfmann, F. Albert +8
We investigate correlations between orthogonally polarized cavity modes of a bimodal micropillar laser with a single layer of self-assembled quantum dots in the active region. Whil…