1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National Institutes for Quantum Science and TechnologyJP17 papers
- Sumitomo Electric Industries (Japan)JP14 papers
- University of TsukubaJP14 papers
- University of California, BerkeleyUS6 papers
- University of StuttgartDE6 papers
- Center for Integrated Quantum Science and TechnologyDE5 papers
- Tokyo Gas (Japan)JP5 papers
- Harvard UniversityUS4 papers
- Universität UlmDE4 papers
- Helmholtz Institute MainzDE3 papers
- Johannes Gutenberg University MainzDE3 papers
- Advanced Science Research CenterJP2 papers
20 papers
High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Register
Timo Joas, Florian Ferlemann, Roberto Sailer +9
Diamond is a promising platform for quantum information processing as it can host highly coherent qubits that could allow for the construction of large quantum registers. A prerequ…
Superbunching in cathodoluminescence: a master equation approach
Tatsuro Yuge, Naoki Yamamoto, Takumi Sannomiya +1
We propose a theoretical model of a master equation for cathodoluminescence (CL). The master equation describes simultaneous excitation of multiple emitters by an incoming electron…
The Anomalous Formation of Irradiation Induced Nitrogen-Vacancy Centers in 5-Nanometer-Sized Detonation Nanodiamonds
Frederick T. -K. So, Alexander I. Shames, Daiki Terada +11
Nanodiamonds containing negatively charged nitrogen-vacancy (NV) centers are versatile room-temperature quantum sensors in a growing field of research. Yet, knowledge regarding…
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…
Even-denominator fractional quantum Hall state in conventional triple-gated quantum point contact
Yasuaki Hayafuchi, Ryota Konno, Annisa Noorhidayati +4
The even-denominator states have attracted considerable attention owing to their possible applications in future quantum technologies. In this letter, we first report a 3/2 diagona…
Photoluminescence at the ground state level anticrossing of the nitrogen-vacancy center in diamond
Viktor Ivády, Huijie Zheng, Arne Wickenbrock +9
The nitrogen-vacancy center (NV center) in diamond at magnetic fields corresponding to the ground state level anticrossing (GSLAC) region gives rise to rich photoluminescence (PL)…
Quantum Metrology with Strongly Interacting Spin Systems
Hengyun Zhou, Joonhee Choi, Soonwon Choi +10
Quantum metrology makes use of coherent superpositions to detect weak signals. While in principle the sensitivity can be improved by increasing the density of sensing particles, in…
Microwave-free vector magnetometry with nitrogen-vacancy centers along a single axis in diamond
Huijie Zheng, Zhiyin Sun, Georgios Chatzidrosos +8
Sensing vector magnetic fields is critical to many applications in fundamental physics, bioimaging, and material science. Magnetic-field sensors exploiting nitrogen-vacancy (NV) ce…
Robust and accurate electric field sensing with solid state spin ensembles
Julia Michl, Jakob Steiner, Andrej Denisenko +8
Electron spins in solids constitute remarkable quantum sensors. Individual defect centers in diamond were used to detect individual nuclear spins with nanometer scale resolution, a…
Zero-field magnetometry based on nitrogen-vacancy ensembles in diamond
Huijie Zheng, Jingyan Xu, Geoffrey Iwata +10
Ensembles of nitrogen-vacancy (NV) centers in diamonds are widely utilized for magnetometry, magnetic-field imaging and magnetic-resonance detection. They have not been used for ma…
Probing quantum thermalization of a disordered dipolar spin ensemble with discrete time-crystalline order
Joonhee Choi, Hengyun Zhou, Soonwon Choi +8
We investigate thermalization dynamics of a driven dipolar many-body quantum system through the stability of discrete time crystalline order. Using periodic driving of electronic s…
High-resolution spectroscopy of single nuclear spins via sequential weak measurements
Matthias Pfender, Ping Wang, Hitoshi Sumiya +8
Quantum sensors have recently achieved to detect the magnetic moment of few or single nuclear spins and measure their magnetic resonance (NMR) signal. However, the spectral resolut…
Highly sensitive macro-scale diamond magnetometer operated by dynamical decoupling sequence with coplanar waveguide resonator
Yuta Masuyama, Kousuke Mizuno, Hayato Ozawa +5
Ultimate sensitivity for quantum magnetometry using nitrogen-vacancy (NV) centers in diamond is limited by number of NV centers and coherence time. Microwave irradiation with a hig…
Enhancing fluorescence excitation and collection from the nitrogen-vacancy center in diamond through a micro-concave mirror
Dewen Duan, Vinaya Kumar Kavatamane, Sri Ranjini Arumugam +7
We experimentally demonstrate a simple and robust optical fibers based method to achieve simultaneously efficient excitation and fluorescence collection from Nitrogen-Vacancy (NV)…
Loop-gap Microwave Resonator for Hybrid Quantum Systems
Jason Ball, Yu Yamashiro, Hitoshi Sumiya +5
We designed a loop-gap microwave resonator for applications of spin-based hybrid quantum systems, and tested it with impurity spins in diamond. Strong coupling with ensembles of ni…
Observation of discrete time-crystalline order in a disordered dipolar many-body system
Soonwon Choi, Joonhee Choi, Renate Landig +11
Understanding quantum dynamics away from equilibrium is an outstanding challenge in the modern physical sciences. It is well known that out-of-equilibrium systems can display a ric…
Nonvolatile quantum memory enables sensor unlimited nanoscale spectroscopy of finite quantum systems
Matthias Pfender, Nabeel Aslam, Hitoshi Sumiya +5
In nanoscale metrology applications, measurements are commonly limited by the performance of the sensor. Here we show that in nuclear magnetic resonance (NMR) spectroscopy measurem…
Critical thermalization of a disordered dipolar spin system in diamond
Georg Kucsko, Soonwon Choi, Joonhee Choi +10
Statistical mechanics underlies our understanding of macroscopic quantum systems. It is based on the assumption that out-of-equilibrium systems rapidly approach their equilibrium s…
Collective Strong Coupling with Homogeneous Rabi Frequencies using a 3D Lumped Element Microwave Resonator
Andreas Angerer, Thomas Astner, Daniel Wirtitsch +5
We design and implement 3D lumped element microwave cavities for the coherent and uniform coupling to electron spins hosted by nitrogen vacancy centers in diamond. Our design spati…
Identification of high energy ions using backscattered particles in laser-driven ion acceleration with cluster-gas targets
Y. Fukuda, H. Sakaki, M. Kanasaki +16
A new diagnosis method for high energy ions utilizing a single CR-39 detector mounted on plastic plates is demonstrated to identify the presence of the high energy component beyond…