Advanced search

Filter By:

Journal Check one or more journals to show results from those journals only.

Choose more journals

Article type Check one or more article types to show results from those article types only.
Subject Check one or more subjects to show results from those subjects only.
Date Choose a date option to show results from those dates only.

Custom date range

Clear all filters
Sort by:
Showing 1–11 of 11 results
Advanced filters: Author: Yuhei Sekiguchi Clear advanced filters

  • The sensitivity of single spins to their local environment makes them promising components for future quantum information and sensing technology. Here, the authors use geometric spin echo to demonstrate the control of nitrogen-vacancies via the crystal field in diamond under zero applied fields.

    • Yuhei Sekiguchi
    • Yusuke Komura
    • Hideo Kosaka
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6

  • Ground-state spin rotations in a nitrogen–vacancy centre in diamond are manipulated within nanoseconds of a near-resonant light field being applied. Pauli quantum gates are demonstrated using the geometric spin preparation and read-out techniques.

    • Yuhei Sekiguchi
    • Naeko Niikura
    • Hideo Kosaka
    Research
    Nature Photonics
    Volume: 11, P: 309-314

  • Microwave-driven holonomic quantum gates on an optically selected electron spin in a nitrogen-vacancy centre in diamond are demonstrated. Optically addressable entanglement is generated between the electron and adjacent nitrogen nuclear spin.

    • Yuhei Sekiguchi
    • Kazuki Matsushita
    • Hideo Kosaka
    Research
    Nature Photonics
    Volume: 16, P: 662-666

  • The efficacy of quantum error correction of spins in a diamond nitrogen-vacancy that uses magnetic fields depends on spin’s location in the lattice. Here, an alternative, zero-field approach relying on geometric phase is demonstrated in a three-qubit system.

    • Takaya Nakazato
    • Raustin Reyes
    • Hideo Kosaka
    ResearchOpen Access
    Communications Physics
    Volume: 5, P: 1-7

  • Preserving the entanglement of quantum bits is essential for the operation for all quantum technologies. Here, the geometric nature of spins in a diamond nitrogen vacancy is leveraged to improve the fidelity of entanglement with a spontaneously emitted photon.

    • Yuhei Sekiguchi
    • Yuki Yasui
    • Hideo Kosaka
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-7

  • Color centers in diamond have been proposed as a link between remote superconducting units in hybrid quantum systems, where their orbital degree of freedom is utilized. Here the authors report coherent electric-field control of the orbital state of a neutral NV center in diamond.

    • Hodaka Kurokawa
    • Keidai Wakamatsu
    • Hideo Kosaka
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • Secure transfer of quantum information is of importance for the development of quantum technology such as quantum communication and storage. Here, the authors use carbon nuclear spins coupled to a nitrogen vacancy center to achieve reliable quantum state transfer of photon polarization.

    • Kazuya Tsurumoto
    • Ryota Kuroiwa
    • Hideo Kosaka
    ResearchOpen Access
    Communications Physics
    Volume: 2, P: 1-6

  • Holonomic quantum gates represent a promising route to noise-tolerant quantum operations. Here, the authors use polarised microwaves to implement nonadiabatic holonomic quantum gates at room temperature and zero magnetic field on NV centers, both on single-qubit and between electron and nuclear spins.

    • Kodai Nagata
    • Kouyou Kuramitani
    • Hideo Kosaka
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-10