14 citations · 16 across the 4 of their papers we have counts for
4 papers
Single-Shot Fidelity Reveals Hard and Soft Limits: A Universal Yardstick for Photon-Number-Resolving Detectors
Tetsuya Tsuruta, Akio Yoshizawa, Daiji Fukuda
Photon-number-resolving (PNR) detectors are essential for photonic quantum computing, where a single measurement outcome must reliably herald a specific quantum state. However, det…
Detection of the phase shift of an alternating-current magnetic field by quantum sensing with multiple-pulse decoupling sequences
Toyofumi Ishikawa, Akio Yoshizawa, Yasunori Mawatari +2
Magnetometry utilizing a spin qubit in a solid state possesses high sensitivity. In particular, a magnetic sensor with a high spatial resolution can be achieved with the electron-s…
Influence of dynamical decoupling sequences with finite-width pulses on quantum sensing for AC magnetometry
Toyofumi Ishikawa, Akio Yoshizwa, Yasunori Mawatari +2
Dynamical decoupling sequences with multiple pulses can be considered to exhibit filter functions for the time evolution of a qubit superposition state. They contribute to the impr…
Wavelength-Multiplexed Entanglement Distribution over 10 km of Fiber
Han Chuen Lim, Akio Yoshizawa, Hidemi Tsuchida +1
We report the first experimental demonstration of wavelength-multiplexed entanglement distribution. 44 channels of highly-entangled photon-pairs from one single broadband source ar…