Open AccessVery bright, near-infrared single photon emitters in diamond
Author(s) -
Desmond W. M. Lau,
T. J. Karle,
Brett C. Johnson,
Brant C. Gibson,
Snjezana TomljenovicHanic,
Andrew D. Greentree,
Steven Prawer
Publication year - 2013
Publication title -
apl materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.571
H-Index - 60
ISSN - 2166-532X
DOI - 10.1063/1.4821630
Subject(s) - annealing (glass) , materials science , diamond , argon , forming gas , infrared , photon , ion implantation , oxygen , ion , optoelectronics , analytical chemistry (journal) , atomic physics , optics , chemistry , physics , composite material , organic chemistry , chromatography
We demonstrate activation of bright diamond single photon emitters in the near infrared range by thermal annealing alone, i.e., without ion implantation. The activation is crucially dependent on the annealing ambient. The activation of the single photon emitters is only observed when the sample is annealed in forming gas (4% H2 in Ar) above temperatures of 1000 °C. By contrast, no emitters are activated by annealing in vacuum, oxygen, argon or deuterium. The emitters activated by annealing in forming gas exhibit very bright emission in the 730-760 nm wavelength range and have linewidths of ∼1.5-2.5 nm at room temperature
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