activity
20162025
most citedHigh resolution quantum sensing with shaped control pulses

37 citations · 78 across the 6 of their papers we have counts for

collaborators

6 papers

quant-ph2025

Bright Single-Photon Emission from Individual Tin-Vacancy Centers in Multi-Cone Diamond Waveguides

Pablo Tieben, Jan Rhensius, Takuya F. Segawa +5

Diamonds containing color centers have recently gathered significant attention for photonic quantum technologies, including quantum sensing, photonic quantum computers, and quantum…

quant-ph2025

Overtone Rabi oscillation of optically polarized triplet electron spins and nuclear hyperpolarization in powder

Koichiro Miyanishi, Takuya F. Segawa, Makoto Negoro +2

We report coherent overtone Rabi oscillations of optically-polarized triplet electron spins and nuclear hyperpolarization in powder samples at room temperature. The strong dependen…

quant-ph2024★ 7 cited

Multidimensional spectroscopy of nuclear spin clusters in diamond

Konstantin Herb, Takuya F. Segawa, Laura A. Völker +4

Optically active spin defects in solids offer promising platforms to investigate nuclear spin clusters with high sensitivity and atomic-site resolution. To leverage near-surface de…

cond-mat.mtrl-sci2021★ 16 cited

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…

quant-ph2017★ 37 cited

High resolution quantum sensing with shaped control pulses

J. Zopes, K. Sasaki, K. S. Cujia +5

We investigate the application of amplitude-shaped control pulses for enhancing the time and frequency resolution of multipulse quantum sensing sequences. Using the electronic spin…

cond-mat.mes-hall2016★ 18 cited

Optical hyperpolarization of nitrogen donor spins in bulk diamond

M. Loretz, H. Takahashi, T. F. Segawa +2

We report hyperpolarization of the electronic spins associated with substitutional nitrogen defects in bulk diamond crystal. Hyperpolarization is achieved by optical pumping of nit…