Observation of room-temperature spontaneous superradiance from single diamond nanocrystals

10 Aug 2016 Bradac Carlo Johnsson Mattias van Breugel Matthew Baragiola Ben Martin Rochelle Juan Mathieu L. Brennen Gavin Volz Thomas

We report the observation of room-temperature superradiance from single, highly luminescent diamond nanocrystals with spatial dimensions much smaller than the wavelength of light, and each containing a large number (~10^3) of embedded nitrogen-vacancy (NV) centres. After excitation of the nanodiamonds with an off-resonant, green laser pulse, we observe i) ultrafast radiative lifetimes down to ~ 1 ns, and ii) super-Poissonian photon bunching in the autocorrelation function of the light emitted from the fastest nanodiamonds... (read more)

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Categories


  • QUANTUM PHYSICS
  • MESOSCALE AND NANOSCALE PHYSICS