All-Optical Nuclear Quantum Sensing using Nitrogen-Vacancy Centers in
Diamond
- URL: http://arxiv.org/abs/2212.07093v1
- Date: Wed, 14 Dec 2022 08:34:11 GMT
- Title: All-Optical Nuclear Quantum Sensing using Nitrogen-Vacancy Centers in
Diamond
- Authors: Beat B\"urgler, Tobias F. Sjolander, Ovidiu Brinza, Alexandre
Tallaire, Jocelyn Achard, Patrick Maletinsky
- Abstract summary: Microwave or radio-frequency driving poses a significant limitation for miniaturization, energy-efficiency and non-invasiveness of quantum sensors.
We overcome this limitation by demonstrating a purely optical approach to coherent quantum sensing.
Our results pave the way for highly compact quantum sensors to be employed for magnetometry or gyroscopy applications.
- Score: 52.77024349608834
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Solid state spins have demonstrated significant potential in quantum sensing
with applications including fundamental science, medical diagnostics and
navigation. The quantum sensing schemes showing best performance under ambient
conditions all utilize microwave or radio-frequency driving, which poses a
significant limitation for miniaturization, energy-efficiency and
non-invasiveness of quantum sensors. We overcome this limitation by
demonstrating a purely optical approach to coherent quantum sensing. Our scheme
involves the $^{15}$N nuclear spin of the Nitrogen-Vacancy (NV) center in
diamond as a sensing resource, and exploits NV spin dynamics in oblique
magnetic fields near the NV's excited state level anti-crossing to optically
pump the nuclear spin into a quantum superposition state. We demonstrate
all-optical free-induction decay measurements - the key protocol for
low-frequency quantum sensing - both on single spins and spin ensembles. Our
results pave the way for highly compact quantum sensors to be employed for
magnetometry or gyroscopy applications in challenging environments.
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