11 citations · 19 across the 17 of their papers we have counts for
18 papers
Dual-Trigger of Series Nanowire Detector for Event-Based Photon Number Assignment
Stefanie Grotowski, Daniel Landes, Fabian Wietschorke +6
Photon-number-resolving (PNR) detectors are essential components of photonic quantum technologies. However, conventional single-channel edge-triggered readout struggles to resolve…
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…
Impact of Stoichiometry of MoSi Thin Films for Enhanced Sensitivity of Superconducting Nanowire Single-Photon Detectors
Stefanie Grotowski, Damjan Pecijareski, Hadrien Le Petit Delacour +8
We report on the impact of the stoichiometry of superconducting MoSi thin films on the performance of superconducting nanowire single-photon detectors (SNSPDs). Specifically, we in…
Molecular beam epitaxy of wafer-scale O-band InAs/InGaAs quantum dots on GaAs for quantum photonics
Pavel S. Avdienko, Lukas Hanschke, Quirin Buchinger +13
We report a scalable molecular beam epitaxy strategy to achieve a low density of O-band electrically tunable InAs/InGaAs quantum dots (QDs) on GaAs(001) substrates. Our approach is…
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…
Mitigating the Transition of SiV in Diamond to an Optically Dark State
Manuel Rieger, Rubek Poudel, Tobias Waldmann +7
Negatively charged silicon vacancy centers in diamond (SiV) are promising for quantum photonic technologies. However, when subject to resonant optical excitation, they can inad…
Single-Photon Detection in Few-Layer NbSe Superconducting Nanowires
Lucio Zugliani, Alessandro Palermo, Bianca Scaparra +11
Superconducting Nanowire Single-Photon Detectors (SNSPDs) are key building blocks for photonic quantum technologies due to their ability to detect single photons with ultra-high ef…
Deterministic Control of Photon-Number Probabilities via Phase-Controlled Quantum Interference
Sang Kyu Kim, Eduardo Zubizarreta Casalengua, Yeji Sim +8
Deterministically tailoring optical Fock states beyond the single-photon level is crucial for boson sampling, loss-tolerant photonic qubits, and quantum-enhanced sensing, however h…
Unraveling Quantum Size-Dependent Optoelectrical Phenomena in Hot Carrier Quantum Well Structures
Nil Selen Aydin, Leopold Rothmayer, Nabi Isaev +6
The enhancement of power conversion efficiency beyond the theoretical limit of single-junction solar cells is a key objective in the advancement of hot carrier solar cells. Recent…
Temperature-Dependent Emission Spectroscopy of Quantum Emitters in Hexagonal Boron Nitride
Mouli Hazra, Manuel Rieger, Anand Kumar +7
Color centers in hexagonal boron nitride (hBN) have attracted significant interest due to their potential applications in future optical quantum technologies. For most applications…
Selective filtering of multi-photon events from a single-photon emitter
Friedrich Sbresny, Carolin Calcagno, Sang Kyu Kim +7
Single-photon purity is one of the most important key metrics of many quantum states of light. For applications in photonic quantum technologies, e.g. quantum communication and lin…
Dynamically Dressed States of a Quantum Four-Level System
Carolin Calcagno, Friedrich Sbresny, Thomas K. Bracht +8
In this work, we experimentally and theoretically study the dressed-state emission of the biexciton-exciton cascade in a semiconductor quantum dot under pulsed, resonant, two-photo…
Telecom quantum dots on GaAs substrates as integration-ready high performance single-photon sources
Beatrice Costa, Bianca Scaparra, Xiao Wei +6
The development of deterministic single photon sources emitting in the telecommunication bands is a key challenge for quantum communication and photonic quantum computing. Here, we…
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…
Toward single-photon detection with superconducting niobium diselenide nanowires
Pietro Metuh, Athanasios Paralikis, Paweł Wyborski +9
We present superconducting nanowire single-photon detectors (SNSPDs) based on few-layer NbSe fully encapsulated with hexagonal boron nitride (hBN), demonstrating single-photon…
Origin of performance enhancement of superconducting nanowire single-photon detectors by He-ion irradiation
Stefan Strohauer, Fabian Wietschorke, Markus Döblinger +6
Superconducting nanowire single-photon detectors (SNSPDs) are indispensable in fields such as quantum science and technology, astronomy, and biomedical imaging, where high detectio…
Unlocking multiphoton emission from a single-photon source through mean-field engineering
Sang Kyu Kim, Eduardo Zubizarreta Casalengua, Katarina Boos +9
Single-photon emission from a two-level system offers promising perspectives for the development of quantum technologies, where multiphotons are generally regarded as accidental, u…
Current-Crowding-Free Superconducting Nanowire Single-Photon Detectors
Stefan Strohauer, Fabian Wietschorke, Christian Schmid +5
Detecting single photons is essential for applications such as dark matter detection, quantum science and technology, and biomedical imaging. Superconducting nanowire single-photon…