articleACS NanoJul 11, 2016GREEN OA

Robust Multicolor Single Photon Emission from Point Defects in Hexagonal Boron Nitride

TTToan Trong TranCEChristopher ElbadawiDTDaniel TotonjianCJCharlene J. LoboGGGabriele Grosso

University of Technology Sydney · Massachusetts Institute of Technology

PubMed
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Abstract

Hexagonal boron nitride (hBN) is an emerging two-dimensional material for quantum photonics owing to its large bandgap and hyperbolic properties. Here we report two approaches for engineering quantum emitters in hBN multilayers using either electron beam irradiation or annealing and characterize their photophysical properties. The defects exhibit a broad range of multicolor room-temperature single photon emissions across the visible and the near-infrared spectral ranges, narrow line widths of sub-10 nm at room temperature, and a short excited-state lifetime, and high brightness. We show that the emitters can be categorized into two general groups, but most likely possess similar crystallographic structure.…

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Topics & keywords

Topics
Keywords
  • Materials science
  • Photonics
  • Optoelectronics
  • Photon
  • Hexagonal boron nitride
  • Annealing (glass)
  • Boron nitride
  • Nitride
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