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Volume 5 Issue 5, May 2011

Researchers have shown how coupling a nitrogen–vacancy centre to the whispering gallery mode of an optical resonator fabricated in single-crystal diamond can enhance single-photon emission.

Image courtesy of A. Faraon et. al.

Letter by Faraon et. al.

Volume 5 Issue 5

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  • Researchers have significantly enhanced the single-photon emission of atomic defects in single-crystal diamond by coupling the photons to microring resonators — a technique that may represent a powerful addition to the integrated quantum photonics toolkit.

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  • Scaling IT infrastructure from microscale processors to macroscale data centres and telecommunications networks requires high-bandwidth technologies that are cheap, low-power and small. Silicon photonics that utilizes scalable CMOS technology may offer a highly integrated photonics transmission platform for such applications.

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  • Andrei Faraon from Hewlett-Packard describes how he and his colleagues achieved an eightfold enhancement to the zero-phonon emission from single nitrogen–vacancy centres in diamond.

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