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Search Publications by: William Watterson (Fed)

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Displaying 1 - 4 of 4

Determining angle of arrival of radio frequency fields using subwavelength, amplitude-only measurements of standing waves in a Rydberg atom sensor

September 15, 2025
Author(s)
Rajavardhan Talashila, William Watterson, Benjamin Moser, Joshua Gordon, Alexandra Artusio-Glimpse, Nikunjkumar Prajapati, Noah Schlossberger, Matthew Simons, Christopher Holloway
Deep subwavelength RF imaging with atomic Rydberg sensors has overcome fundamental limitations of traditional antennas and enabled ultra-wideband detection of omni-directional time varying fields all in a compact form factor. However, in most applications

Primary quantum thermometry of mm-wave blackbody radiation via induced state transfer in Rydberg states of cold atoms

January 23, 2025
Author(s)
Noah Schlossberger, Andrew Rotunno, Stephen Eckel, Eric Norrgard, Dixith Manchaiah, Nikunjkumar Prajapati, Alexandra Artusio-Glimpse, Samuel Berweger, Matthew Simons, Dangka Shylla, William Watterson, Charles Patrick, Adil Meraki, Rajavardhan Talashila, Amanda Younes, David La Mantia, Christopher Holloway
Rydberg states of alkali-metal atoms are highly sensitive to electromagnetic radiation in the GHz-to-THz regime because their transitions have large electric dipole moments. Consequently, environmental blackbody radiation (BBR) can couple Rydberg states to

Calibration of Autler-Townes based electrometry in Rydberg states of alkali atoms

August 30, 2024
Author(s)
Noah Schlossberger, Nikunjkumar Prajapati, Alexandra Artusio-Glimpse, Samuel Berweger, Matthew Simons, William Watterson, Dangka Shylla, Christopher Holloway
Highly excited states of alkali atoms are a powerful tool for making SI-traceable electric field measurements without the need for an external reference. However, the calibration of these measurements suffers from ambiguity in which transition dipole
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