Selective temperature sensing in nanodiamonds using dressed states

Temperature sensing at the nanoscale is a significant experimental challenge. Here, we report an approach using dressed states to make a leading quantum sensor (the nitrogen vacancy (NV) center in diamond) selectively sensitive to temperature, even in the presence of normally-confounding magnetic fi...

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Bibliographic Details
Published in:arXiv.org 2024-06
Main Authors: Beaver, Nathaniel M, Stevenson, Paul
Format: Article
Language:English
Subjects:
Diamonds
Nanostructure
Quantum sensors
Sensitivity
Online Access:Get full text
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Summary:Temperature sensing at the nanoscale is a significant experimental challenge. Here, we report an approach using dressed states to make a leading quantum sensor (the nitrogen vacancy (NV) center in diamond) selectively sensitive to temperature, even in the presence of normally-confounding magnetic fields. Using an experimentally straightforward approach, we are able to suppress the magnetic sensitivity of the NV center by a factor of seven while retaining full temperature sensitivity and narrowing the NV center linewidth. These results demonstrate the power of engineering the sensor Hamiltonian using external control fields to enable sensing with improved specificity to target signals.
ISSN:2331-8422