Ultrafast spectral diffusion measurement on nitrogen vacancy centers in nanodiamonds using correlation interferometry

Abstract

Spectral diffusion is the phenomenon of random jumps in the emission wavelength of narrow lines. This phenomenon is a major hurdle for applications of solid state quantum emitters like quantum dots, molecules or diamond defect centers in an integrated quantum optical technology. Here, we provide further insight into the underlying processes of spectral diffusion of the zero phonon line of single nitrogen vacancy centers in nanodiamonds by using a novel method based on photon correlation interferometry. The method works although the spectral diffusion rate is several orders of magnitude higher than the photon detection rate and thereby improves the time resolution of previous experiments with nanodiamonds by six orders of magnitude. We study the dependency of the spectral diffusion rate on the excitation power, temperature, and excitation wavelength under off-resonant excitation. Our results suggest a strategy to increase the number of spectrally indistinguishable photons emitted by diamond nanocrystals.

5 pages, 4 figures, 1 supplementary

References in corpus (15)

• Quantum Computing
• Photonic quantum technologies
• Deterministic coupling of a single nitrogen vacancy center to a photonic crystal cavity
• Stark shift control of single optical centers in diamond
• Two-photon quantum interference from separate nitrogen vacancy centers in diamond
• Enhancement of the Zero Phonon Line emission from a Single NV-Center in a Nanodiamond via Coupling to a Photonic Crystal Cavity
• Conversion of neutral nitrogen-vacancy centers to negatively-charged nitrogen-vacancy centers through selective oxidation
• Quantum interference of single photons from remote nitrogen-vacancy centers in diamond
• Dark states of single NV centers in diamond unraveled by single shot NMR
• Subnanosecond spectral diffusion measurement using photon correlation
• Dynamic stabilization of the optical resonances of single nitrogen-vacancy centers in diamond
• Ultra-bright and efficient single photon generation based on N-V centres in nanodiamonds on a solid immersion lens
• Deterministic nano-assembly of a coupled quantum emitter - photonic crystal cavity system
• Photon-correlation Fourier spectroscopy
• The effect of photo-generated carriers on the spectral diffusion of a quantum dot coupled to a photonic crystal cavity

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