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Robust Nuclear Spin Polarization via Ground-State Level Anticrossing of Boron Vacancy Defects in Hexagonal Boron Nitride.
Ru, Shihao; Jiang, Zhengzhi; Liang, Haidong; Kenny, Jonathan; Cai, Hongbing; Lyu, Xiaodan; Cernansky, Robert; Zhou, Feifei; Yang, Yuzhe; Watanabe, Kenji; Taniguch, Takashi; Li, Fuli; Koh, Teck Seng; Liu, Xiaogang; Jelezko, Fedor; Bettiol, Andrew A; Gao, Weibo.
Afiliação
  • Ru S; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Jiang Z; Department of Chemistry, <a href="https://ror.org/01tgyzw49">National University of Singapore</a>, Singapore 117543, Singapore.
  • Liang H; Joint School of National University of Singapore and Tianjin University, <a href="https://ror.org/012tb2g32">International Campus of Tianjin University</a>, Binhai New City, Fuzhou 350207, P. R. China.
  • Kenny J; Centre for Ion Beam Applications, Department of Physics, <a href="https://ror.org/01tgyzw49">National University of Singapore</a>, Singapore 117542, Singapore.
  • Cai H; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Lyu X; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Cernansky R; The Photonics Institute and Centre for Disruptive Photonic Technologies, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Zhou F; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Yang Y; The Photonics Institute and Centre for Disruptive Photonic Technologies, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Watanabe K; Institute for Quantum Optics and Centre for Integrated Quantum Science and technology (IQST), <a href="https://ror.org/032000t02">Ulm University</a>, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
  • Taniguch T; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Li F; College of Metrology Measurement and Instrumentation, <a href="https://ror.org/05v1y0t93">China Jiliang University</a>, Hangzhou, 310018, China.
  • Koh TS; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
  • Liu X; International Center for Materials Nanoarchitectonics, <a href="https://ror.org/026v1ze26">National Institute for Materials Science</a>, Tsukuba 305-0044, Japan.
  • Jelezko F; International Center for Materials Nanoarchitectonics, <a href="https://ror.org/026v1ze26">National Institute for Materials Science</a>, Tsukuba 305-0044, Japan.
  • Bettiol AA; School of Physics, <a href="https://ror.org/017zhmm22">Xi'an Jiaotong University</a>, Xi'an 710049, China.
  • Gao W; Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.
Phys Rev Lett ; 132(26): 266801, 2024 Jun 28.
Article em En | MEDLINE | ID: mdl-38996289
ABSTRACT
Nuclear spin polarization plays a crucial role in quantum information processing and quantum sensing. In this work, we demonstrate a robust and efficient method for nuclear spin polarization with boron vacancy (V_{B}^{-}) defects in hexagonal boron nitride (h-BN) using ground-state level anticrossing (GSLAC). We show that GSLAC-assisted nuclear polarization can be achieved with significantly lower laser power than excited-state level anticrossing, making the process experimentally more viable. Furthermore, we have demonstrated direct optical readout of nuclear spins for V_{B}^{-} in h-BN. Our findings suggest that GSLAC is a promising technique for the precise control and manipulation of nuclear spins in V_{B}^{-} defects in h-BN.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Singapura

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Singapura
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