activity
20092026
most citedMagnet field sensing beyond the standard quantum limit under the effect of decoherence

208 citations · 2.2k across the 116 of their papers we have counts for

collaborators
Showing 2023Show all

8 papers · 1 filter

quant-ph2023★ 11 cited

Localized Virtual Purification

Hideaki Hakoshima, Suguru Endo, Kaoru Yamamoto +2

Analog and digital quantum simulators can efficiently simulate quantum many-body systems that appear in natural phenomena. However, experimental limitations of near-term devices st…

quant-ph2023★ 1 cited

Demonstration of the excited-state search on the D-wave quantum annealer

Takashi Imoto, Yuki Susa, Ryoji Miyazaki +2

Quantum annealing is a way to prepare an eigenstate of the problem Hamiltonian. Starting from an eigenstate of a trivial Hamiltonian, we slowly change the Hamiltonian to the proble…

quant-ph2023★ 4 cited

Anonymous estimation of intensity distribution of magnetic fields with quantum sensing network

Hiroto Kasai, Yuki Takeuchi, Yuichiro Matsuzaki +1

A quantum sensing network is used to simultaneously detect and measure physical quantities, such as magnetic fields, at different locations. However, there is a risk that the measu…

quant-ph2023

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…

quant-ph2023★ 1 cited

A general method to construct mean field counter diabatic driving for a ground state search

Hiroshi Hayasaka, Takashi Imoto, Yuichiro Matsuzaki +1

The counter diabatic (CD) driving has attracted much attention for suppressing non-adiabatic transition in quantum annealing (QA). However, it can be intractable to construct the C…

quant-ph2023★ 8 cited

Expressive Quantum Supervised Machine Learning using Kerr-nonlinear Parametric Oscillators

Yuichiro Mori, Kouhei Nakaji, Yuichiro Matsuzaki +1

Quantum machine learning with variational quantum algorithms (VQA) has been actively investigated as a practical algorithm in the noisy intermediate-scale quantum (NISQ) era. Recen…

quant-ph2023★ 7 cited

Electron-spin double resonance of nitrogen-vacancy centers in diamond under strong driving field

Takumi Mikawa, Ryusei Okaniwa, Yuichiro Matsuzaki +2

The nitrogen-vacancy (NV) center in diamond has been the focus of research efforts because of its suitability for use in applications such as quantum sensing and quantum simulation…

quant-ph2023

Quantifying the Energy Relaxation Rate of Quantum States Using D-Wave Device and the Discovery of Long-Lived Multiqubit States

Takashi Imoto, Yuki Susa, Ryoji Miyazaki +1

Quantum annealing has been demonstrated with superconducting qubits. Such a quantum annealer has been used to solve combinatorial optimization problems. Moreover, it serves as a qu…