Search Results - "Rotunno, Andrew"
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1
Demonstration of the lateral AC skin effect using a pickup coil
Published in American journal of physics (01-08-2020)“…We present a simple demonstration of the skin effect by observing the current distribution in a wide rectangular strip conductor driven at frequencies in the…”
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Journal Article -
2
Independent Rydberg atom sensing using a dual-ladder scheme
Published in Applied physics letters (29-04-2024)“…Rydberg atom-based electric field sensing can provide all-optical readout of radio frequency (RF) fields in a dielectric environment. However, because a single…”
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3
Inverse transform sampling for efficient Doppler-averaged spectroscopy simulations
Published in AIP advances (01-07-2023)“…We present a thermal velocity sampling method for calculating Doppler-broadened atomic spectra, which more efficiently reaches convergence than regular…”
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4
Microwave Atom Chip Design
Published in Atoms (01-09-2021)“…We present a toolbox of microstrip building blocks for microwave atom chips geared towards trapped atom interferometry. Transverse trapping potentials based on…”
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Rydberg Atom Based Sensors: Radio-Frequency Field Detection to Remote Sensing and Other Receiving Applications
Published in 2024 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM) (09-01-2024)“…Atom-based measurements allow for unprecedented accuracy in measurement systems, and as a result, measurement standards have evolved towards atom-based…”
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Conference Proceeding -
6
Rydberg states of alkali atoms in atomic vapour as SI-traceable field probes and communications receivers
Published in Nature reviews physics (01-10-2024)“…Rydberg states of alkali atoms are highly sensitive to electric fields because their electron wavefunction has a large spatial extent, leading to large…”
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7
Publisher Correction: Rydberg states of alkali atoms in atomic vapour as SI-traceable field probes and communications receivers
Published in Nature reviews physics (08-10-2024)Get full text
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8
Radiofrequency AC Zeeman Trapping for Neutral Atoms
Published 01-01-2021“…This thesis presents the first experimental demonstration of a two-wire AC Zeeman trap on an atom chip. The AC Zeeman energy is a resonant, bipolar,…”
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Dissertation -
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Real-time Detection of Modulated Radiofrequency Signals in Rydberg Atoms enabled by Optical Frequency Comb Spectroscopy
Published in 2024 Conference on Precision Electromagnetic Measurements (CPEM) (08-07-2024)“…We present a method for measuring radiofrequency (RF) fields using Rydberg atoms. Instead of using a locked probe laser, we use a carrier-locked optical…”
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Conference Proceeding -
10
Observation of Asymmetric Sideband Generation in Strongly-driven Rydberg Atoms
Published 20-08-2024“…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…”
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11
Rydberg Atom Sensors: Receiving Time-Varying Signals without an Antenna or Front-End Electronics
Published in 2024 IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium) (14-07-2024)“…With the great progress in the development of Rydberg atom-based sensors, interesting and unforeseen applications are emerging (A.B. Artusio-Glimpse, M.T…”
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Conference Proceeding -
12
Enhancing Bandwidth and Sensitivity of Rydberg Atom Based Sensors
Published in 2024 IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium) (14-07-2024)“…Rydberg atoms have been utilized in a wide range of electric field sensing applications, encompassing static field measurements, RF power metrology, and THz…”
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Conference Proceeding -
13
Synthetic Aperture RF Reception Using Rydberg Atoms
Published in 2023 IEEE International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW) (04-06-2023)“…Rydberg atoms show great promise for use as self-calibrated electric field sensors for a broad range of frequencies. Their response is traceable to the…”
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Conference Proceeding -
14
EIT spectra of Rydberg atoms dressed with dual-tone radio-frequency fields
Published 16-05-2023“…We examine spectral signatures of Rydberg atoms driven with near-resonant dual-tone radio-frequency (RF) fields in the regime of strong driving. We…”
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Journal Article -
15
Inverse Transform Sampling for Efficient Doppler-Averaged Spectroscopy Simulations
Published 24-04-2023“…AIP Advances 13, 075218 (2023) We present a thermal velocity sampling method for calculating Doppler-broadened atomic spectra, which more efficiently reaches a…”
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Journal Article -
16
Independent Rydberg Atom Sensing using a Dual-Ladder Scheme
Published 26-02-2024“…Rydberg atom-based electric field sensing can provide all-optical readout of radio frequency fields in a dielectric environment. However, because a single set…”
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Journal Article -
17
Zeeman-resolved Autler-Townes splitting in Rydberg atoms with tunable resonances and a single transition dipole moment
Published 27-11-2023“…Applying a magnetic field as a method for tuning the frequency of Autler-Townes splitting for Rydberg electrometry has recently been demonstrated. In this…”
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Journal Article -
18
High angular momentum coupling for enhanced Rydberg-atom sensing in the VHF band
Published 03-10-2023“…Recent advances in Rydberg atom electrometry detail promising applications in radio frequency (RF) communications. Presently, most applications use carrier…”
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Journal Article -
19
Rydberg Atom-Based Sensors: Transforming SI-Traceable Measurements from RF fields to Thermometry
Published in 2024 IEEE INC-USNC-URSI Radio Science Meeting (Joint with AP-S Symposium) (14-07-2024)“…Developing new science and technologies heavily relies on reliable metrology tools and techniques. Atom-based measurements have facilitated direct SI-traceable…”
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Conference Proceeding -
20
Modeling Line Broadening and Distortion Due to Spatially Non-Uniform Fields in Rydberg Electrometry
Published 15-08-2022“…J. Appl. Phys. 134, 084401 (2023) We present a model for calculating broadened Autler-Townes spectra when probing ac electric field magnitudes by use of…”
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Journal Article