PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
Spectral diffusion is a ubiquitous process caused by bath fluctuations which randomizes the spectral mode of single-photon emitters at cryogenic temperatures. Accurately measuring spectral diffusion on a single-emitter level is still a challenging task owing to the required high spectral and temporal resolution with an additionally high temporal dynamic range.
In this talk, I highlight our recent progress towards understanding spectral diffusion in nascent quantum emitters using photon-correlation Fourier spectroscopy (PCFS). PCFS can measure the bandwidth and kinetics of spectral fluctuations down to nanosecond timescales. Using PCFS, I show how quantum emitters in 2D hexagonal boron nitride exhibit multi-timescale discrete spectral jumping that can be attributed to a bath with at least two characteristic fluctuation relaxation time constants.Broadly, I propose PCFS as a particularly suitable tool for the detailed study of decoherence processes and spectral diffusion.
Hendrik Utzat
"New interferometric photon-correlation tools for spectral diffusion measurements of emerging single-photon emitters", Proc. SPIE PC12512, Advanced Photon Counting Techniques XVII, PC1251206 (15 June 2023); https://doi.org/10.1117/12.2664090
ACCESS THE FULL ARTICLE
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
The alert did not successfully save. Please try again later.
Hendrik Utzat, "New interferometric photon-correlation tools for spectral diffusion measurements of emerging single-photon emitters," Proc. SPIE PC12512, Advanced Photon Counting Techniques XVII, PC1251206 (15 June 2023); https://doi.org/10.1117/12.2664090