17 citations · 36 across the 15 of their papers we have counts for
15 papers
Color-Center-Compatible Freestanding Diamond Directional Couplers for Quantum Photonics
Colin Sauerzapf, Tom Jäger, Jonathan Enßlin +6
Freestanding all-diamond color-center photonics is a promising platform for optical integration of spin-based quantum defects. Within this geometry, we realize a key building block…
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…
Optically Addressable Molecular Spins at 2D Surfaces
Xuankai Zhou, Yan-Tung Kong, Cheuk Kit Cheung +18
Optically addressable spins at material surfaces have represented a long-standing ambition in quantum sensing, providing atomic resolution and quantum-limited sensitivity. However,…
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…
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…
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…
Nanoscale Mapping of Magnetic Auto-oscillations with a single Spin Sensor
Toni Hache, Anshu Anshu, Tetyana Shalomayeva +4
Magnetic auto-oscillations are damping-compensated magnetization precessions. They can be generated in spin Hall nano-oscillators (SHNO) among others. Current research on these dev…
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…
Precise characterization of a silicon carbide waveguide fiber interface
Marcel Krumrein, Raphael Nold, Flavie Davidson-Marquis +13
Emitters in high refractive index materials like 4H-SiC suffer from reduced detection of photons because of losses caused by total internal reflection. Thus, integration into effic…
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…
Experimental Saturation of the Heat-Bath Algorithmic Cooling bound
Sebastian Zaiser, Billy Masatth, D. D. Bhaktavatsala Rao +2
Heat-Bath Algorithmic cooling (HBAC) techniques provide ways to selectively enhance the polarization of target quantum subsystems. However, the cooling in these techniques are boun…