Nanodiamonds with photostable, sub-gigahertz linewidth quantum emitters

Publication Type:
Journal Article
Citation:
APL Photonics, 2017, 2 (11)
Issue Date:
2017-11-01
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© 2017 Author(s). Single-photon emitters with narrow linewidths are highly sought after for applications in quantum information processing and quantum communications. In this letter, we report on a bright, highly polarized near infrared single photon emitter embedded in diamond nanocrystals with a narrow, sub-GHz optical linewidth at 10 K. The observed zero-phonon line at ∼780 nm is optically stable under low power excitation and blue shifts as the excitation power increases. Our results highlight the prospect for using new near infrared color centers in nanodiamonds for quantum applications.
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