activity
20172026
most citedDetermining the Angle-of-Arrival of an Radio-Frequency Source with a Rydberg Atom-Based Sensor

170 citations · 636 across the 44 of their papers we have counts for

collaborators

46 papers

physics.atom-ph2026

Frequency-Axis Calibration via Autler-Townes Splitting in an Electromagnetically Induced Transparency Feature

Stone B. Oliver, Noah Schlossberger, Tate McDonald +2

Rydberg atom-based electrometry is a pivotal technology that enables radio-frequency (rf) field measurements traceable to the International System of Units. This is typically accom…

physics.atom-ph2026

Angle-of-Arrival Determination of Radio-Frequency Fields Using Stark-Shifted Rydberg-EIT Spectra

Rajavardhan Talashila, Zoya Popovic, Nikunjkumar Prajapati +2

We demonstrate a method for determining the magnitude of the angle of arrival (AoA) of a linearly polarized radio-frequency (RF) field using the angle-dependent spectral amplitudes…

physics.atom-ph2026

Floquet Interpretation of Avoided Crossings in AC Stark-Shifted Rydberg-EIT Spectra

Rajavardhan Talashila, Nikunjkumar Prajapati, Noah Schlossberger +1

We present a combined experimental and Floquet-theoretical study of avoided crossings in the AC Stark-shifted electromagnetically induced transparency (EIT) spectra of Rydberg atom…

physics.atom-ph2026

Resolving magnetic-sublevel structure in Rydberg Autler-Townes spectra with arbitrary RF polarization

Noah Schlossberger, Rajavardhan Talashila, Stone B. Oliver +3

We investigate the role of magnetic sublevels in Autler-Townes spectra of Rydberg atoms driven by radio-frequency (RF) fields with arbitrary polarization. While conventional treatm…

physics.atom-ph2026

MHz to sub-kHz field detection with an all-dielectric potassium Rydberg-atom sensor

Daniel Hammerland, Rajavardhan Talashila, Dixith Manchaiah +8

Rydberg sensors have significant promise as an alternative to the antenna systems used for sub-MHz frequency communications, where the scale of high-efficiency antennas is often im…

physics.atom-ph2026

Fundamental linewidth limit of electromagnetically induced transparency in a thermal Rydberg ladder

Noah Schlossberger, Nikunjkumar Prajapati, Alexandra B. Artusio-Glimpse +2

Spectroscopy of Rydberg states has become a popular platform for quantum sensing, with the most common readout scheme being two-photon electromagnetically induced transparency (EIT…

physics.atom-ph2026

Simultaneous Detection, Demodulation, and Angle-of-Arrival Determination of Communication Signals Using a Dual Ladder Rydberg Receiver

Stone B. Oliver, Samuel Berweger, Eugeniy E. Mikhailov +4

In a typical Rydberg mixer, modulated communication signals are detected using a radio frequency (RF) heterodyne technique. The mixer outputs an intermediate frequency (IF), which…

physics.atom-ph2025★ 1 cited

Atomic and molecular systems for radiation thermometry

Stephen P. Eckel, Eric B. Norrgard, Christopher Holloway +3

Atoms and simple molecules are excellent candidates for new standards and sensors because they are both all identical and their properties are determined by the immutable laws of q…

quant-ph2025★ 3 cited

Probing Bandwidth and Sensitivity in Rydberg Atom Sensing via Optical Homodyne and RF Heterodyne Detection

Dixith Manchaiah, Stone Oliver, Samuel Berweger +2

Rydberg atom based sensors allow for SI traceable measurements and show promise for applications in the field of communication and radar technologies. In this article, we investiga…

physics.atom-ph2025

Sensitivity Comparison of Rydberg Atom-Based Radio-Frequency Electric Field Detection: Ionization Current Versus Optical Readout

Dangka Shylla, Rajavardhan Talashila, Alexandra Artusio-Glimpse +7

We investigate a technique for detecting radio-frequency (RF) electric fields in a Cesium (Cs) vapor cell at room temperature by collecting charge from ionized Rydberg atoms and co…

physics.app-ph2025★ 2 cited

Rydberg atom reception of a handheld UHF frequency-modulated two-way radio

Noah Schlossberger, Tate McDonald, Nikunjkumar Prajapati +1

Rydberg atoms, due to their large polarizabilities and strong transition dipole moments, have been utilized as sensitive electric field sensors. While their capability to detect mo…

physics.atom-ph2025★ 3 cited

An Imaging Radar Using a Rydberg Atom Receiver

William J. Watterson, Nikunjkumar Prajapati, Rodrigo Castillo-Garza +5

Rydberg atoms in a gas form are highly sensitive electric field probes capable of detecting and measuring the amplitude, phase, and polarization of broadband time-varying signals.…

physics.atom-ph2025

Population-resolved measurement of an avoided crossing of light-dressed states

Noah Schlossberger, Nikunjkumar Prajapati, Eric B. Norrgard +2

A two-level system coupled by a coherent field is a ubiquitous system in atomic and molecular physics. In the rotating wave approximation, the light-dressed states are well describ…

physics.atom-ph2025★ 9 cited

Angle-of-arrival detection of radio-frequency waves via Rydberg atom fluorescence imaging of standing waves in a glass vapor cell

Noah Schlossberger, Rajavardhan Talashila, Nikunjkumar Prajapati +1

We present a method for measuring the angle-of-arrival of 40 GHz radio-frequency (RF) radiation by mapping the standing waves generated in a rectangular glass vapor cell. These sta…

physics.atom-ph2025★ 8 cited

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

Rajavardhan Talashila, William J. Watterson, Benjamin L. Moser +6

Deep subwavelength RF imaging with atomic Rydberg sensors has overcome fundamental limitations of traditional antennas and enabled ultra-wideband detection of omni-directional time…

physics.atom-ph2025★ 13 cited

Imaging of induced surface charge distribution effects in glass vapor cells used for Rydberg atom-based sensors

Link Patrick, Noah Schlossberger, Daniel F. Hammerland +6

We demonstrate the imaging of localized surface electric (E) field effects on the atomic spectrum in a vapor cell used in Rydberg atom-based sensors. These surface E-fields can res…

physics.atom-ph2024★ 5 cited

Two-dimensional imaging of electromagnetic fields via light sheet fluorescence imaging with Rydberg atoms

Noah Schlossberger, Tate McDonald, Kevin Su +9

The ability to image electromagnetic fields holds key scientific and industrial applications, including electromagnetic compatibility, diagnostics of high-frequency devices, and ex…

physics.atom-ph2024

Compact Blackbody Radiation Atomic Sensor: Measuring Temperature using Optically Excited Atoms in Vapor Cells

David S. La Mantia, Mingxin Lei, Nikunjkumar Prajapati +6

We demonstrate a blackbody radiation thermometer based on optically excited rubidium atoms in a vapor cell. The temperature measurement is fast, with statistical uncertainty as low…

physics.atom-ph2024★ 18 cited

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

Noah Schlossberger, Andrew P. Rotunno, Stephen P. Eckel +14

Rydberg states of alkali atoms are highly sensitive to electromagnetic radiation in the GHz-to-THz regime because their transitions have large electric dipole moments. Consequently…

physics.atom-ph2024

Multichannel, ultra-wideband Rydberg Electrometry with an Optical Frequency Comb

Nikunjkumar Prajapati, David A. Long, Alexandra B. Artusio-Glimpse +2

While Rydberg atoms have shown tremendous potential to serve as accurate and sensitive detectors of microwaves and millimeter waves, their response is generally limited to a single…

physics.atom-ph2024★ 1 cited

Revisiting collisional broadening of Rb Rydberg levels: conclusions for vapor cell manufacture

Mingxin Lei, Stephen P. Eckel, Eric B. Norrgard +4

Electrometry based on electromagnetically induced transparency (EIT) in alkali Rydberg vapor cells may suffer reduced sensitivity due to spurious line broadening effects, caused by…

physics.atom-ph2024★ 12 cited

Observation of Asymmetric Sideband Generation in Strongly-driven Rydberg Atoms

Dangka Shylla, Nikunjkumar Prajapati, Andrew P. Rotunno +7

Improving the bandwidth of Rydberg atom-based receivers is an ongoing challenge owing to the long-lived Rydberg state lifetimes that limit the refresh rate of ground state atoms. I…

physics.atom-ph2024

Increased instantaneous bandwidth of Rydberg atom electrometry with an optical frequency comb probe

Alexandra B. Artusio-Glimpse, David A. Long, Sean M. Bresler +8

We show that the use of an optical frequency comb probe leads to dramatically improved bandwidth (as high as 12+/-1 MHz) for the detection of modulated radio frequencies in Rydberg…

physics.atom-ph2024

Independent Rydberg Atom Sensing using a Dual-Ladder Scheme

Samuel Berweger, Alexandra B. Artusio-Glimpse, Nikunjkumar Prajapati +6

Rydberg atom-based electric field sensing can provide all-optical readout of radio frequency fields in a dielectric environment. However, because a single set of optical fields is…