Measuring NV center depth in real time taking advantage of maximum likelihood estimation - a proof-of-concept simulation study
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2025-02-25 |
| Journal | Japanese Journal of Applied Physics |
| Authors | Tomoki Ota, Akirabha Chanuntranont, Yuka Kobayashi, Daisuke Saito, Yuto Miyake |
Abstract
Section titled āAbstractāAbstract We present a method for the on-line estimation of the depth of single shallow nitrogen-vacancy (NV) centers in diamond. This method combines photon detection simulation with maximum likelihood estimation (MLE) to produce faster results and can be performed at the same time as data arrives. The results show that MLE produces a depth estimate close to the true NV center depth in a shorter measurement duration, as compared to the conventional data fitting of the power spectral density. Also, real-time estimation with this technique is feasible using a computer equipped with hardware accelerators, such as high-performance graphical processing units.