The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 26, 2024

Filed:

Jun. 01, 2022
Applicants:

University of Maryland, College Park, College Park, MD (US);

The President and Fellows of Harvard College, Cambridge, MA (US);

Inventors:

Ronald Walsworth, Newton, MA (US);

Nithya Arunkumar, Waltham, MA (US);

Connor Hart, Columbia, MD (US);

Dominik Bucher, Puchheim, DE;

David Glenn, Cambridge, MA (US);

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 24/00 (2006.01); G01N 24/08 (2006.01); G01N 33/38 (2006.01);
U.S. Cl.
CPC ...
G01N 24/006 (2013.01); G01N 24/08 (2013.01); G01N 33/381 (2013.01);
Abstract

Systems and methods of quantum sensing include obtaining information regarding a target signal in electronic spin states of quantum defects in an ensemble of quantum defects, mapping the information regarding the target signal from the electronic spin states of the quantum defects to corresponding nuclear spin states associated with the quantum defects, applying a light pulse to the ensemble of quantum defects to reset the electronic spin states of the quantum defects, and repeating a readout stage a plurality of times within a readout duration. The readout stage includes mapping the information regarding the target signal back from the nuclear spin states to the corresponding electronic spin states and applying a data acquisition readout pulse to optically measure the electronic spin states of the quantum defects.


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