Near-surface spectrally stable nitrogen vacancy centres engineered in single crystal diamond

Alastair Stacey, David A. Simpson, Timothy J. Karle, Brant C. Gibson, Victor M. Acosta, Zhihong Huang, Kai Mei C. Fu, Charles Santori, Raymond G. Beausoleil, Liam P. McGuinness, Kumaravelu Ganesan, Snjezana Tomljenovic-Hanic, Andrew D. Greentree, Steven Prawer

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

A method for engineering thin (<100 nm) layers of homoepitaxial diamond containing high quality, spectrally stable, isolated nitrogen-vacancy (NV) centres is reported. The photoluminescence excitation linewidth of the engineered NVs are as low as 140 MHz, at temperatures below 12 K, while the spin properties are at a level suitable for quantum memory and spin register applications. This methodology of NV fabrication is an important step toward scalable and practical diamond based photonic devices suitable for quantum information processing.

Original languageEnglish (US)
Pages (from-to)3333-3338
Number of pages6
JournalAdvanced Materials
Volume24
Issue number25
DOIs
StatePublished - Jul 3 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • chemical vapour deposition
  • diamond
  • nitrogen-vacancy
  • photo-luminescence excitation
  • quantum information processing

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