455 citations · 1.6k across the 41 of their papers we have counts for
41 papers
Enhanced Temperature Sensitivity in Ensemble NV Centers through Improved Optically Detected Magnetic Resonance Spectral Modeling
Yuki S. Kato, Shingo Sotoma, Keisuke Fujita +5
Nitrogen-vacancy (NV) center ensembles provide a powerful platform for high-precision temperature sensing, with ongoing efforts to further enhance their measurement performance. In…
Photoelectrical detection and characterization of divacancy and PL5-PL7 spins in silicon carbide
Naoya Morioka, Tetsuri Nishikawa, Hiroshi Abe +2
Photoelectrical detection of magnetic resonance (PDMR) offers a scalable alternative to optical readout of spin defects in semiconductors and is particularly promising for near-inf…
Photoionization current spectroscopy of individual silicon vacancies in silicon carbide
Kazuki Okajima, Tetsuri Nishikawa, Hiroshi Abe +5
Defect charge-state dynamics are central to both spin-photon interfaces and photoelectrical spin readout. Despite the significance of silicon vacancies (V1/V2) in silicon carbide (…
Hybrid-spin decoupling for noise-resilient DC quantum sensing
So Chigusa, Masashi Hazumi, Ernst David Herbschleb +3
The excellent sensitivities of quantum sensors are a double-edged sword: minuscule quantities can be observed, but any undesired signal acts as noise. This is challenging when dete…
Beyond Qubits: Multilevel Quantum Sensing for Dark Matter
Xiaolin Ma, Volodymyr Takhistov, Norikazu Mizuochi +1
Quantum sensing with qubits has advanced fundamental physics searches, but higher dimensional systems offer untapped potential. We present a universal qutrit framework that yields…
Emergence of giant spin-orbit torque in a two-dimensional hole gas on the hydrogen-terminated diamond surface
Fujio Sako, Ryo Ohshima, Yuichiro Ando +6
Two-dimensional (2D) carrier systems exhibit various significant physical phenomena for electronics and spintronics, where one of the most promising traits is efficient spin-to-cha…
Entanglement-enhanced AC magnetometry in the presence of Markovian noises
Thanaporn Sichanugrist, Hajime Fukuda, Takeo Moroi +5
Entanglement is a resource to improve the sensitivity of quantum sensors. In an ideal case, using an entangled state as a probe to detect target fields, we can beat the standard qu…
Nuclear Spin Metrology with Nitrogen Vacancy Center in Diamond for Axion Dark Matter Detection
So Chigusa, Masashi Hazumi, Ernst David Herbschleb +3
We present a method to directly detect the axion dark matter using nitrogen vacancy centers in diamonds. In particular, we use metrology leveraging the nuclear spin of nitrogen to…
Dopant-assisted stabilization of negatively charged single nitrogen-vacancy centers in phosphorus-doped diamond at low temperatures
Jianpei Geng, Tetyana Shalomayeva, Mariia Gryzlova +9
Charge state instabilities have been a bottleneck for the implementation of solid-state spin systems and pose a major challenge to the development of spin-based quantum technologie…
Frequency-tunable magnetic field sensing using continuous-wave optically detected magnetic resonance with nitrogen-vacancy centers in diamond
Ryusei Okaniwa, Takumi Mikawa, Yuichiro Matsuzaki +8
The nitrogen-vacancy (NV) center is a promising candidate to realize practical quantum sensors with high sensitivity and high spatial resolution, even at room temperature and atmos…
Light Dark Matter Search with Nitrogen-Vacancy Centers in Diamonds
So Chigusa, Masashi Hazumi, Ernst David Herbschleb +2
We propose new ideas to directly search for light dark matter, such as the axion or the dark photon, by using magnetometry with nitrogen-vacancy centers in diamonds. If the dark ma…
Low-frequency quantum sensing
E. D. Herbschleb, I. Ohki, K. Morita +5
Exquisite sensitivities are a prominent advantage of quantum sensors. Ramsey sequences allow precise measurement of direct current fields, while Hahn-echo-like sequences measure al…
All-optical nanoscale thermometry based on silicon-vacancy centers in detonation nanodiamonds
Masanori Fujiwara, Gaku Uchida, Izuru Ohki +5
Silicon-vacancy (SiV) centers in diamond are a promising candidate for all-optical nanoscale high-sensitivity thermometry because they have sufficient sensitivity to reach the subk…
n-Type diamond synthesized with tert-butylphosphine for long spin coherence times of perfectly aligned NV centers
Riku Kawase, Hiroyuki Kawashima, Hiromitsu Kato +5
The longest spin coherence times for nitrogen-vacancy (NV) centers at room temperature have been achieved in phosphorus-doped n-type diamond. However, difficulty controlling impuri…
Temperature Sensing with RF-Dressed States of Nitrogen-Vacancy Centers in Diamond
H. Tabuchi, Y. Matsuzaki, N. Furuya +5
Nitrogen vacancy (NV) centers in diamond are promising systems for realizing sensitive temperature sensors. Pulsed optically detected magnetic resonance (Pulsed-ODMR) is one of the…
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…
Shallow NV centers augmented by exploiting n-type diamond
A. Watanabe, T. Nishikawa, H. Kato +6
Creation of nitrogen-vacancy (NV) centers at the nanoscale surface region in diamond, while retaining their excellent spin and optical properties, is essential for applications in…
Electrical Control for Extension of Ramsey Spin Coherence Time of Ion-Implanted Nitrogen Vacancy Centers in diamond
S. Kobayashi, Y. Matsuzaki, H. Morishita +4
The extension of the spin coherence times is a crucial issue for quantum information and quantum sensing. In solid state systems, suppressing noises with various techniques have be…
Probing thermal magnon current mediated by coherent magnon via nitrogen-vacancy centers in diamond
Dwi Prananto, Yuta Kainuma, Kunitaka Hayashi +3
Currently, thermally excited magnons are being intensively investigated owing to their potential in computing devices and thermoelectric conversion technologies. We report the dete…
Control of all the transitions between ground state manifolds of nitrogen vacancy centers in diamonds by applying external magnetic driving fields
Tatsuma Yamaguchi, Yuichiro Matsuzaki, Soya Saijo +3
Nitrogen vacancy (NV) centers in diamonds is a promising system for quantum information processing and quantum sensing, and the control of the quantum state is essential for practi…
Experimental and theoretical analysis of noise strength and environmental correlation time for ensembles of nitrogen-vacancy centers in diamond
Kan Hayashi, Yuichiro Matsuzaki, Takaki Ashida +8
We experimentally and theoretically investigate the Hahn echo decay curve for nitrogen vacancy centers in diamond with different spin concentrations. The Hahn echo results show a n…
Bandwidth analysis of AC magnetic field sensing based on electronic spin double resonance of nitrogen-vacancy centers in diamond
Tatsuma Yamaguchi, Yuichiro Matsuzaki, Shiro Saito +3
Recently we have demonstrated AC magnetic field sensing scheme using a simple continuous-wave optically detected magnetic resonance of nitrogen-vacancy centers in diamond [Appl. Ph…
Room Temperature Electrically Detected Nuclear Spin Coherence of NV Centers in Diamond
Hiroki Morishita, Satoshi Kobayashi, Masanori Fujiwara +4
We demonstrate electrical detection of the N nuclear spin coherence of NV centers at room temperature. Nuclear spins are candidates for quantum memories in quantum-informati…
Optimization temperature sensitivity using the optically detected magnetic resonance spectrum of a nitrogen-vacancy center ensemble
Kan Hayashi, Yuichiro Matsuzaki, Takashi Taniguchi +8
Temperature sensing with nitrogen vacancy (NV) centers using quantum techniques is very promising and further development is expected. Recently, the optically detected magnetic res…