110 citations · 312 across the 17 of their papers we have counts for
17 papers
Tunable g-Factors of Hybridized Orbitals in a Quantum Dot Molecule
Michelle Lienhart, Krzysztof Gawarecki, Pavel Daskalov +10
The ability to control the -factors of orbital spin states in optically active quantum dot molecules (QDMs) is a prerequisite for the high-fidelity generation of multi-photonic…
Ultra-slow orbital and spin dynamics in an electrically tunable quantum dot molecule
Christopher Thalacker, Michelle Lienhart, Markus Stöcker +13
Tunnel-coupled optically active quantum dot molecules (QDMs), have the potential to operate as spin-photon-interfaces with coupled spins that interact with two different photon fre…
Resonant and Anti-resonant Exciton-Phonon Coupling in Quantum Dot Molecules
Michelle Lienhart, Krzysztof Gawarecki, Markus Stöcker +12
Optically active quantum dot molecules (QDMs) can host multi-spin quantum states with the potential for the deterministic generation of photonic graph states with tailored entangle…
High Purcell-enhancement in quantum-dot hybrid circular Bragg grating cavities for GHz-clockrate generation of indistinguishable photons
Lucas Rickert, Daniel A. Vajner, Martin von Helversen +8
We present Purcell-enhanced () semiconductor InAs quantum dot decay times of ps, enabled by deterministic hybrid circular Bragg gratings (hCBGs). We inve…
Bright electrically contacted circular Bragg grating resonators with deterministically integrated quantum dots
Setthanat Wijitpatima, Normen Auler, Priyabata Mudi +7
Cavity-enhanced emission of electrically controlled semiconductor quantum dots is essential in developing bright quantum devices for real-world quantum photonic applications. Combi…
Epitaxial growth and characterization of multi-layer site-controlled InGaAs quantum dots based on the buried stressor method
Imad Limame, Ching-Wen Shih, Alexej Koltchanov +8
We report on the epitaxial growth, theoretical modeling, and structural as well as optical investigation of multi-layer, site-controlled quantum dots fabricated using the buried st…
Assessing the alignment accuracy of state-of-the-art deterministic fabrication methods for single quantum dot devices
Abdulmalik A. Madigawa, Jan N. Donges, Benedek Gaál +13
The realization of efficient quantum light sources relies on the integration of self-assembled quantum dots (QDs) into photonic nanostructures with high spatial positioning accurac…
Controlled Coherent Coupling in a Quantum Dot Molecule Revealed by Ultrafast Four-Wave Mixing Spectroscopy
Daniel Wigger, Johannes Schall, Marielle Deconinck +18
Semiconductor quantum dot molecules are considered as promising candidates for quantum technological applications due to their wide tunability of optical properties and coverage of…
Magnetic tuning of the tunnel coupling in an optically active quantum dot molecule
Frederik Bopp, Charlotte Cullip, Christopher Thalacker +15
Self-assembled optically active quantum dot molecules (QDMs) allow the creation of protected qubits via singlet-triplet spin states. The qubit energy splitting of these states is d…
Coherent driving of direct and indirect excitons in a quantum dot molecule
Frederik Bopp, Johannes Schall, Nikolai Bart +13
Quantum dot molecules (QDMs) are one of the few quantum light sources that promise deterministic generation of one- and two-dimensional photonic graph states. The proposed protocol…
Scalable deterministic integration of two quantum dots into an on-chip quantum circuit
Shulun Li, Yuhui Yang, Johannes Schall +9
Integrated quantum photonic circuits (IQPCs) with deterministically integrated quantum emitters are critical elements for scalable quantum information applications and have attract…
Design and fabrication of ridge waveguide-based nanobeam cavities for on-chip single-photon sources
Uğur Meriç Gür, Yuhui Yang, Johannes Schall +8
We report on the design of nanohole/nanobeam cavities in ridge waveguides for on-chip, quantum-dot-based single-photon generation. Our design overcomes limitations of a low-refract…
Bright electrically controllable quantum-dot-molecule devices fabricated by in-situ electron-beam lithography
Johannes Schall, Marielle Deconinck, Nikolai Bart +15
Self-organized semiconductor quantum dots represent almost ideal two-level systems, which have strong potential to applications in photonic quantum technologies. For instance, they…
Directional single-photon emission from deterministic quantum dot waveguide structures
Paweł Mrowiński, Peter Schnauber, Arsenty Kaganskiy +4
Chiral light-matter interaction can lead to directional emission of two-level light emitters in waveguides. This interesting physics effect has raised considerable attention in rec…
Indistinguishable photons from deterministically integrated single quantum dots in heterogeneous GaAs/SiN quantum photonic circuits
Peter Schnauber, Anshuman Singh, Johannes Schall +6
Silicon photonics enables scaling of quantum photonic systems by allowing the creation of extensive, low-loss, reconfigurable networks linking various functional on-chip elements.…
Directional emission of a deterministically fabricated quantum dot - Bragg reflection multi-mode waveguide system
Paweł Mrowiński, Peter Schnauber, Philipp Gutsche +5
We report on the experimental study and numerical analysis of chiral light-matter coupling in deterministically fabricated quantum dot (QD) waveguide structures. We apply in-situ e…
Deterministic integration of quantum dots into on-chip multi-mode interference beamsplitters using in-situ electron beam lithography
Peter Schnauber, Johannes Schall, Samir Bounouar +8
The development of multi-node quantum optical circuits has attracted great attention in recent years. In particular, interfacing quantum-light sources, gates and detectors on a sin…