197 citations · 910 across the 42 of their papers we have counts for
42 papers
Scalable integration of silicon carbide color centers into nanophotonic structures
Raphael Wörnle, Jonas Schmid, Dennis Grüner +7
Color centers in silicon carbide are a promising platform for quantum technologies, offering long-coherence electron and nuclear spins for storing and manipulating quantum informat…
Electrically Reconfigurable Silicon Carbide Nanophotonic Cavities on Thin-Film Lithium Niobate
San Lam Ng, Georgii Grechko, Vladislav Bushmakin +4
Interfacing integrated photonics with solid-state spin defects holds great promise for future quantum networks, but the scaling of spin-photon architectures is hindered by frequenc…
RF-free driving of nuclear spins with color centers in silicon carbide
Raphael Wörnle, Jonathan Körber, Timo Steidl +5
Color centers that enable nuclear-spin control without RF fields offer a powerful route towards simplified and scalable quantum devices. Such capabilities are especially valuable f…
Localization and coherent control of 25 nuclear spins in Silicon Carbide
Pierre Kuna, Erik Hesselmeier-Hüttmann, Phillip Schillinger +7
Optically addressable spin defects are excellent candidate platform for quantum sensing and quantum network. Nuclear spins coupled to color centers naturally enable long lived quan…
Waveguide-integrated colour centres in silicon carbide with broadband photonic crystal reflectors for efficient readout
Marcel Krumrein, Julian M. Bopp, Timo Steidl +5
Spin-active colour centres in 4H silicon carbide are promising candidates as building blocks for quantum information applications. To increase the photon count rate of the emitters…
Converting coherence into work with a fully quantum engine
MinSik Kwon, Tobias Denzler, Rouven Maier +4
Heat engines convert thermal energy into mechanical work. We here report the experimental realization of a fully quantum engine that converts quantum coherence into work. A single…
Readout of a solid state spin ensemble at the projection noise limit
Rouven Maier, Cheng-I Ho, Andrej Denisenko +4
Spin ensembles are central to quantum science, from frequency standards and fundamental physics searches to magnetic resonance spectroscopy and quantum sensing. Their performance i…
Optical levitation of fluorescent silicon carbide nanoparticles in vacuum
Seyed Khalil Alavi, Cheng-I Ho, Iuliia Neumann +4
Levitated optomechanics is an emerging field in quantum science that explores the quantum motion of mesoscopic particles levitated in a vacuum. Expanding this approach to particles…
Efficient Detection of Statistical RF Fields at High Magnetic Field with a Quantum Sensor
Rouven Maier, Cheng-I Ho, Hitoshi Sumiya +4
Nuclear magnetic resonance (NMR) spectroscopy is widely used in fields ranging from chemistry, material science to neuroscience. Nanoscale NMR spectroscopy using Nitrogen-vacancy (…
Readout of strongly coupled NV center-pair spin states with deep neural networks
Matthew Joliffe, Vadim Vorobyov, Jörg Wrachtrup
Optically addressable electron spin clusters are of interest for quantum computation, simulation and sensing. However, with interaction length scales of a few tens of nanometers in…
Modeling Quantum Volume Using Randomized Benchmarking of Room-Temperature NV Center Quantum Registers
Tom Jaeger, MinSik Kwon, Max Keller +9
Accurately estimating the performance of quantum hardware is crucial for comparing different platforms and predicting the performance and feasibility of quantum algorithms and appl…
Two-Photon Interference of Photons from Remote Tin-Vacancy Centers in Diamond
Vladislav Bushmakin, Oliver von Berg, Colin Sauerzapf +8
Scalable quantum networks rely on optical connections between long-lived qubits to distribute entanglement. Tin vacancies in diamond have emerged as promising long-lived qubits, of…
Single V2 defect in 4H Silicon Carbide Schottky diode at low temperature
Timo Steidl, Pierre Kuna, Erik Hesselmeier-Hüttmann +10
Nanoelectrical and photonic integration of quantum optical components is crucial for scalable solid-state quantum technologies. Silicon carbide stands out as a material with mature…
Efficient nuclear spin - photon entanglement with optical routing
Javid Javadzade, Majid Zahedian, Florian Kaiser +2
Quantum networks and distributed quantum computers rely on entanglement generation between photons and long-lived quantum memories. For large-scale architectures, one of the most c…
Blueprint for efficient nuclear spin characterization with color center
Majid Zahedian, Vadim Vorobyov, Jörg Wrachtrup
Nuclear spins in solids offer a promising avenue for developing scalable quantum hardware. Leveraging nearby single-color centers, these spins can be efficiently addressed at the s…
Loophole-free test of macroscopic realism via high-order correlations of measurement
Ping Wang, Chong Chen, Hao Liao +3
Test of {macroscopic realism} (MR) is key to understanding the foundation of quantum mechanics. Due to the existence of the {non-invasive measurability} loophole and other interpre…
High fidelity optical readout of a nuclear spin qubit in Silicon Carbide
Erik Hesselmeier, Oliver von Berg, Pierre Kuna +7
Quantum state readout is a key requirement for a successful qubit platform. In this work we demonstrate a high fidelity quantum state readout of a V2 center nuclear spin based on a…
Measuring nuclear spin qubits by qudit-enhanced spectroscopy in Silicon Carbide
Erik Hesselmeier, Pierre Kuna, István Takács +8
Nuclear spins with hyperfine coupling to single electron spins are highly valuable quantum bits. In this work we probe and characterise the particularly rich nuclear spin environme…
On readout and initialisation fidelity by finite demolition single shot readout
Majid Zahedian, Max Keller, Minsik Kwon +4
Ideal projective quantum measurement makes the system state collapse in one of the observable operator eigenstates , making it a powerful tool for preparing the system…
Quantum Heterodyne Sensing of Nuclear Spins via Double Resonance
Jonas Meinel, Minsik Kwon, Durga Dasari +5
Nanoscale nuclear magnetic resonance (NMR) signals can be measured through hyperfine interaction to paramagnetic electron sensor spins. A heterodyne approach is widely used to over…
A Quantum Optical Microphone in the Audio Band
Raphael Nold, Charles Babin, Joel Schmidt +12
The ability to perform high-precision optical measurements is paramount to science and engineering. Laser interferometry enables interaction-free sensing with a precision ultimatel…
Self-testing randomness from a nuclear spin system
Xing Chen, Minsik Kwon, Vadim Vorobyov +2
Randomness is a very important resource for cryptography, algorithms, and scientific simulations. Since all classical processes are considered to be intrinsically deterministic, we…
Quantum-assisted Distortion-free audio signal sensing
Chen Zhang, Durga Dasari, Matthias Widmann +9
Quantum sensors are keeping the cutting-edge sensitivities in metrology. However, for high-sensitive measurements of arbitrary signals, limitations in linear dynamic range could in…
Optimization of the double electron-electron resonance for C-centers in diamond
Olga R. Rubinas, Vladimir V. Soshenko, Stepan V. Bolshedvorskii +7
NV centers in diamond recommend themselves as good sensors of environmental fields as well as detectors of diamond impurities. In particular, C-centers, often also called ${{p}_{1}…