Sub-GHz Linewidth Ensembles of SiV Centers in a Diamond Nanopyramid Revealed by Charge State Conversion

Abstract : Producing nanostructures with embedded bright ensembles of lifetime-limited emitters is a challenge with potential high impact in a broad range of physical sciences. In this work, we demonstrate controlled charge transfer to and from dark states exhibiting very long lifetimes in high-density ensembles of SiV centers hosted in a diamond nanopyramid grown by chemical vapor deposition. Further, using a combination of resonant photoluminescence excitation and a frequency-selective persistent hole-burning technique that exploits this charge state transfer, we could demonstrate close to lifetime-limited linewidths from the SiV centers. Such a nanostructure with thousands of bright narrow linewidth emitters in a volume much below λ3 will be useful for coherent light–matter coupling, biological sensing, and nanoscale thermometry.
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https://hal.archives-ouvertes.fr/hal-02353920
Contributor : Anne-Cécile Verzier <>
Submitted on : Thursday, November 7, 2019 - 3:03:11 PM
Last modification on : Saturday, November 9, 2019 - 2:08:45 AM

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Louis Nicolas, Tom Delord, Paul Huillery, Clément Pellet-Mary, Gabriel Hétet. Sub-GHz Linewidth Ensembles of SiV Centers in a Diamond Nanopyramid Revealed by Charge State Conversion. ACS photonics, American Chemical Society,, 2019, 6 (10), pp.2413-2420. ⟨10.1021/acsphotonics.9b00262⟩. ⟨hal-02353920⟩

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