123 citations · 311 across the 16 of their papers we have counts for
16 papers
Coherent Dark State Formation of a Lead-Vacancy Spin Qubit in Diamond
Yiyang Chen, Koyo Hirai, Tzyy Zheng Neo +7
A lead-vacancy (PbV) center in diamond exhibits coherent emission above the liquid helium temperature, making it highly attractive for quantum network applications. Here, we report…
Modular interface for efficient optical readout of diamond quantum memory at cryogenic temperatures via single-mode optical fibers
Akira Kamimaki, Yuhei Sekiguchi, Daisuke Ito +4
Efficient quantum devices across various physical systems have been rapidly developed for entanglement-based quantum repeaters and spin-photon conversion; however, far less attenti…
Robust transfer of a quantum state from an absorbed photon into a diamond spin
Daisuke Ito, Yuhei Sekiguchi, Raustin Reyes +4
Conversion of a quantum state from a flying qubit to a memory qubit is crucial for distributed quantum computing. However, this requires precise spatiotemporal or frequency/phase a…
Quantum Orbital-State Control of a Neutral Nitrogen-Vacancy Center at Millikelvin Temperatures
Hodaka Kurokawa, Shintaro Nakazato, Toshiharu Makino +4
A neutral nitrogen-vacancy center (NV) is promising for realizing strong coupling with a single microwave photon due to its large electric field sensitivity, although it is sus…
Atomic observation on diamond (001) surfaces with non-contact atomic force microscopy
Runnan Zhang, Yuuki Yasui, Masahiro Fukuda +5
To achieve atomic-level characterization of the diamond (001) surface, persistent efforts have been made over the past few decades. The motivation behind the pursuit extends beyond…
Transform-Limited Photon Emission From a Lead-Vacancy Center in Diamond Above 10 K
Peng Wang, Lev Kazak, Katharina Senkalla +9
Transform-limited photon emission from quantum emitters is essential for high-fidelity entanglement generation. In this study, we report the coherent optical property of a single n…
Low-Temperature Characteristics of an AlN/Diamond Surface Acoustic Wave Resonator
Moyuki Yamamoto, Hodaka Kurokawa, Satoshi Fujii +3
Phonons confined in mechanical resonators can be coupled to a variety of quantum systems and are expected to be applied to hybrid quantum systems. Diamond surface acoustic wave (SA…
Coherent Electric-Field Control of Orbital state in a Neutral Nitrogen-Vacancy Center
Hodaka Kurokawa, Keidai Wakamatsu, Shintaro Nakazato +4
The coherent control of the orbital state is crucial for color centers in diamonds for realizing extremely low-power manipulation. Here, we propose the neutrally charged nitrogen-v…
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…
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…
Vector Electrometry in a Wide-Gap Semiconductor Device Using a Spin Ensemble Quantum Sensor
Yang, Bang, Takuya Murooka +8
Nitrogen-vacancy (NV) centers in diamond work as a quantum electrometer. Using an ensemble state of NV centers, we propose vector electrometry and demonstrate measurements in a dia…
Single crystal diamond membranes for nanoelectronics
K. Bray, H. Kato, R. Previdi +8
Single crystal, nanoscale diamond membranes are highly sought after for a variety of applications including nanophotonics, nanoelectronics and quantum information science. However,…
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…
Electrical excitation of silicon-vacancy centers in single crystal diamond
Amanuel M. Berhane, Sumin Choi, Hiromitsu Kato +4
Electrically driven emission from negatively charged silicon-vacancy, (SiV)- centres in single crystal diamond is demonstrated. The SiV centres were generated using ion implantatio…
Atomistic mechanism of perfect alignment of nitrogen-vacancy centers in diamond
Takehide Miyazaki, Yoshiyuki Miyamoto, Toshiharu Makino +7
Nitrogen-vacancy (NV) centers in diamond have attracted a great deal of attention because of their possible use in information processing and electromagnetic sensing technologies.…
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…