Array of bright silicon-vacancy centers in diamond fabricated by low-energy focused ion beam implantation

  • Syuto Tamura
  • , Godai Koike
  • , Akira Komatsubara
  • , Tokuyuki Teraji
  • , Shinobu Onoda
  • , Liam P. McGuinness
  • , Lachlan Rogers
  • , Boris Naydenov
  • , E. Wu
  • , Liu Yan
  • , Fedor Jelezko
  • , Takeshi Ohshima
  • , Junichi Isoya
  • , Takahiro Shinada
  • , Takashi Tanii

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

Among promising color centers for single-photon sources in diamond, the negatively charged silicon-vacancy (SiV%) has 70% of its emission to the zero-phonon line (ZPL), in contrast to the negatively charged nitrogen vacancy (NV-), which has a broad spectrum. Fabricating single centers of useful defect complexes with high yield and excellent grown-in defect properties by ion implantation has proven to be challenging. We have fabricated bright single SiV- centers by 60-keV focused ion beam implantation and subsequent annealing at 1000 °C with high positioning accuracy and a high yield of 15%.

Original languageEnglish
Pages (from-to)115201
Number of pages1
JournalApplied Physics Express
Volume7
Issue number11
DOIs
StatePublished - 1 Nov 2014

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