Study of narrowband single photon emitters in polycrystalline diamond films

Publication Type:
Journal Article
Citation:
Applied Physics Letters, 2014, 105 (18)
Issue Date:
2014-11-03
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© 2014 AIP Publishing LLC. Quantum information processing and integrated nanophotonics require robust generation of single photon emitters on demand. In this work, we demonstrate that diamond films grown on a silicon substrate by microwave plasma chemical vapor deposition can host bright, narrowband single photon emitters in the visible - near infra-red spectral range. The emitters possess fast lifetime (∼ several ns), absolute photostability, and exhibit full polarization at excitation and emission. Pulsed and continuous laser excitations confirm their quantum behaviour at room temperature, while low temperature spectroscopy is performed to investigate inhomogeneous broadening. Our results advance the knowledge of solid state single photon sources and open pathways for their practical implementation in quantum communication and quantum information processing.
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