Efficient coupling of a single diamond color center to propagating plasmonic gap modes.

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Abstract

We report on coupling of a single nitrogen-vacancy (NV) center in a nanodiamond to the propagating gap mode of two parallel placed chemically grown silver nanowires. The coupled NV-center nanowire system is made by manipulating nanodiamonds and nanowires with the tip of an atomic force microscope cantilever. An efficient coupling of an NV-center to an easily accessible gap plasmon mode is demonstrated and we measure an enhancement of the spontaneous emission decay rate by a factor of 8.3.
Original languageEnglish
JournalNano Letters
Volume13
Issue number3
Pages (from-to)1221-1225
ISSN1530-6984
DOIs
Publication statusPublished - 2013

Keywords

  • NV-center
  • Plasmon
  • Gap mode
  • Silver wire

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