123 citations · 342 across the 11 of their papers we have counts for
11 papers
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…
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…
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…
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…
Experimental demonstration of two-photon magnetic resonances in a single-spin-system of a solid
Toshiyuki Tashima, Hiroki Morishita, Norikazu Mizuochi
While the manipulation of quantum systems is significantly developed so far, achieving a single-source multi-use system for quantum-information processing and networks is still cha…
Extension of the Coherence Time by Generating MW Dressed States in a Single NV Centre in Diamond
Hiroki Morishita, Toshiyuki Tashima, Disuke Mima +5
Nitrogen-vacancy (NV) centres in diamond hold promise in quantum sensing applications. A major interest in them is an enhancement of their sensitivity by the extension of the coher…
Optically detected magnetic resonance of high-density ensemble of NV centers in diamond
Yuichiro Matsuzaki, Hiroki Morishita, Takaaki Shimooka +7
Optically detected magnetic resonance (ODMR) is a way to characterize the NV centers. Recently, a remarkably sharp dip was observed in the ODMR with a high-density ensemble of NV c…
Pulsed Low-Field Electrically Detected Magnetic Resonance
L. Dreher, F. Hoehne, H. Morishita +4
We present pulsed electrically detected magnetic resonance (EDMR) measurements at low magnetic fields using posphorus-doped silicon with natural isotope composition as a model syst…
Perfect selective alignment of nitrogen-vacancy center in diamond
T. Fukui, Y. Doi, T. Miyazaki +14
Nitrogen-vacancy (NV) centers in diamond have attracted significant interest because of their excellent spin and optical characteristics for quantum information and metrology. To t…
Electrical Detection and Magnetic-Field Control of Spin States in Phosphorus-Doped Silicon
H. Morishita, L. S. Vlasenko, H. Tanaka +5
Electron paramagnetic resonance of ensembles of phosphorus donors in silicon has been detected electrically with externally applied magnetic fields lower than 200 G. Because the sp…