Unambiguous nuclear spin detection using an engineered quantum sensing sequence
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2017-11-17 |
| Journal | Physical review. A/Physical review, A |
| Authors | Zijun Shu, Zhendong Zhang, Qingyun Cao, Pengcheng Yang, Martin B. Plenio |
| Institutions | UniversitƤt Ulm, Center for Integrated Quantum Science and Technology |
| Citations | 8 |
Abstract
Section titled āAbstractāSensing, localising and identifying individual nuclear spins or frequency\ncomponents of a signal in the presence of a noisy environments requires the\ndevelopment of robust and selective methods of dynamical decoupling. An\nimportant challenge that remains to be addressed in this context are spurious\nhigher order resonances in current dynamical decoupling sequences as they can\nlead to the misidentification of nuclei or of different frequency components of\nexternal signals. Here we overcome this challenge with engineered quantum\nsensing sequences that achieve both, enhanced robustness and the simultaneous\nsuppression of higher order harmonic resonances. We demonstrate experimentally\nthe principle using a single nitrogen-vacancy center spin sensor which we apply\nto the unambiguous detection of external protons.\n