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Magnetic-field-dependent quantum emission in hexagonal boron nitride at room temperature

Author

Listed:
  • Annemarie L. Exarhos

    (University of Pennsylvania
    Lafayette College)

  • David A. Hopper

    (University of Pennsylvania
    University of Pennsylvania)

  • Raj N. Patel

    (University of Pennsylvania)

  • Marcus W. Doherty

    (Laser Physics Centre, Research School of Physics and Engineering, Australian National University)

  • Lee C. Bassett

    (University of Pennsylvania)

Abstract

Optically addressable spins associated with defects in wide-bandgap semiconductors are versatile platforms for quantum information processing and nanoscale sensing, where spin-dependent inter-system crossing transitions facilitate optical spin initialization and readout. Recently, the van der Waals material hexagonal boron nitride (h-BN) has emerged as a robust host for quantum emitters, promising efficient photon extraction and atom-scale engineering, but observations of spin-related effects have remained thus far elusive. Here, we report room-temperature observations of strongly anisotropic photoluminescence patterns as a function of applied magnetic field for select quantum emitters in h-BN. Field-dependent variations in the steady-state photoluminescence and photon emission statistics are consistent with an electronic model featuring a spin-dependent inter-system crossing between triplet and singlet manifolds, indicating that optically-addressable spin defects are present in h-BN.

Suggested Citation

  • Annemarie L. Exarhos & David A. Hopper & Raj N. Patel & Marcus W. Doherty & Lee C. Bassett, 2019. "Magnetic-field-dependent quantum emission in hexagonal boron nitride at room temperature," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-018-08185-8
    DOI: 10.1038/s41467-018-08185-8
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    Cited by:

    1. Nikhil Mathur & Arunabh Mukherjee & Xingyu Gao & Jialun Luo & Brendan A. McCullian & Tongcang Li & A. Nick Vamivakas & Gregory D. Fuchs, 2022. "Excited-state spin-resonance spectroscopy of V $${}_{{{{{{{{\rm{B}}}}}}}}}^{-}$$ B − defect centers in hexagonal boron nitride," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    2. Gwangwoo Kim & Benjamin Huet & Christopher E. Stevens & Kiyoung Jo & Jeng-Yuan Tsai & Saiphaneendra Bachu & Meghan Leger & Seunguk Song & Mahfujur Rahaman & Kyung Yeol Ma & Nicholas R. Glavin & Hyeon , 2024. "Confinement of excited states in two-dimensional, in-plane, quantum heterostructures," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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