activity
20242026
most citedViolet to near-infrared optical addressing of spin pairs in hexagonal boron nitride

14 citations · 33 across the 14 of their papers we have counts for

collaborators

16 papers

quant-ph2026

Robust Diamond Quantum Sensing in Double-Quantum 4-Ramsey Interferometry by Dual-Feedback Scheme

Yuta Araki, Takeharu Sekiguchi, Yuji Hatano +11

We developed a highly sensitive and long-term stable diamond quantum magnetometer by integrating a dual-feedback system that compensates for common- and differential-mode frequency…

cond-mat.mes-hall2026

Persistence and emergence of quantum defects through pressure-induced phase changes

Alexander J Healey, Alan Salek, Christopher T-K Lew +15

Extreme pressures can transform materials and their properties, but probing these in-situ is made challenging by the small sample volumes and access requirements demanded by diamon…

cond-mat.mtrl-sci2026

Vacancy-mediated nitrogen diffusion and aggregation via high-fluence electron beam irradiation in HPHT synthesized diamond crystal

Chikara Shinei, Yuta Masuyama, Jun Chen +5

The negatively charged nitrogen vacancy (NV-) center in diamond is a promising point defect for highly sensitive quantum sensing. The formation of high-density NV- centers is essen…

quant-ph2026

A robust laser cavity platform for NV-diamond singlet infrared absorption magnetometry

Shao Qi Lim, Alexander A. Wood, Brett C. Johnson +9

The negatively charged nitrogen-vacancy center (NV) in diamond is a versatile platform for quantum magnetometry under ambient conditions. Recently, laser threshold magnetometry…

quant-ph2026

A Highly Sensitive Diamond NV Magnetometer Using Ramsey Interferometry with a Short Sensor-to-Sample Distance

Yuta Araki, Takeharu Sekiguchi, Yuji Hatano +11

In this study, we developed a diamond quantum magnetometer based on Ramsey interferometry with a short sensor-to-sample distance. Conventional biomagnetic sensors with ensemble nit…

quant-ph2026

Spectator-transition crosstalk in a spin-3/2 silicon-vacancy qudit in silicon carbide revealed by broadband Ramsey interferometry

Jun-Jae Choi, Seung-Jae Hwang, Seoyoung Paik +9

Color-center spins in 4H-SiC offer a rare combination of wafer-scale materials maturity with long spin coherence and chip-level photonics, making them promising building blocks for…

quant-ph2025

Multichannel highly sensitive diamond quantum magnetometer

Atsumi Yoshimura, Ayumi Kanamoto, Naota Sekiguchi +9

We demonstrate a highly sensitive real-time magnetometry method at two measurement points. This magnetometry method is based on the frequency-division multiplexing of continuous-wa…

quant-ph2025

Coupling 4H-Silicon Carbide spins to a microwave resonator at milli-Kelvin temperature

Ali Fawaz, Jeremy Bourhill, Stefania Castelletto +6

Coupling microwave cavity modes with spin qubit transitions is crucial for enabling efficient qubit readout and control, long-distance qubit coupling, quantum memory implementation…

cond-mat.mes-hall2025★ 1 cited

Self-assembled fluorescent nanodiamond layers for quantum imaging

Katherine Chea, Erin S. Grant, Kevin J. Rietwyk +6

The nitrogen-vacancy (NV) center in diamond is emerging as a powerful tool for imaging magnetic and electric signals at the microscale and below. However, most imaging demonstratio…

quant-ph2025

Current comparator for both AC and DC ratio measurements with 10-8-level accuracy

Hidekazu Muramatsu, Yuta Kainuma, Hiromitsu Kato +11

Accurate measurements of alternating current (AC) and direct current(DC) ratios are fundamental to electric power metrology. However, conventional current comparators for AC and DC…

quant-ph2025

Broadband Fourier transform spectroscopy of quantum emitters photoluminescence with sub-nanosecond temporal resolution

Issam Belgacem, Pasquale Cilibrizzi, Muhammad Junaid Arshad +15

The spectral characterization of quantum emitter luminescence over broad wavelength ranges and fast timescales is important for applications ranging from biophysics to quantum tech…

quant-ph2025★ 1 cited

Mesoscopic cavity quantum electrodynamics with phase-disordered emitters in a Kerr nonlinear resonator

Daniil M. Lukin, Bennet Windt, Miguel Bello +13

The field of cavity quantum electrodynamics (QED) has seen a recent resurgence of interest in few- and many-body physics owing to the realization that the breaking of symmetries an…

quant-ph2025★ 2 cited

Minute-long quantum coherence enabled by electrical depletion of magnetic noise

Cyrus Zeledon, Benjamin Pingault, Jonathan C. Marcks +13

Integrating solid-state spin defects into classical electronic devices can enable new opportunities for quantum information processing that benefit from existing semiconductor tech…

physics.ins-det2024★ 5 cited

Performance Evaluation of a Diamond Quantum Magnetometer for Biomagnetic Sensing: A Phantom Study

Naota Sekiguchi, Yuta Kainuma, Motofumi Fushimi +10

We employ a dry-type phantom to evaluate the performance of a diamond quantum magnetometer with a high sensitivity of about from the viewpoint of practica…

cond-mat.mes-hall2024★ 14 cited

Violet to near-infrared optical addressing of spin pairs in hexagonal boron nitride

Priya Singh, Islay O. Robertson, Sam C. Scholten +9

Optically addressable solid-state spins are an important platform for practical quantum technologies. Van der Waals material hexagonal boron nitride (hBN) is a promising host as it…

quant-ph2024★ 10 cited

A Room-Temperature Solid-State Maser Amplifier

Tom Day, Maya Isarov, William J. Pappas +6

Masers once represented the state-of-the-art in low noise microwave amplification technology, but eventually became obsolete due to their need for cryogenic cooling. Masers based o…