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

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Catalog Last Checked: September 02, 2026 at 07:19 PM | Dataset Last Updated: January 12, 2026
Data in the figures for the paper "Simultaneous Detection, Demodulation, and Angle-of-Arrival Determination of Communication Signals Using a Direct-Conversion Rydberg Receiver". This is mostly experimental data collected by digitizers and oscilloscopes from photodetectors. In this work, we apply a radio-frequency (RF) homodyne measurement technique to demonstrate a direct, baseband readout and simultaneous demodulation of the in-phase (I) and quadrature (Q) components of standard communication signals using a dual ladder Rydberg receiver. In addition to directly demodulating the signal, the polarization sensitivity of this receiver design allows for a determination the signal's angle of arrival (AoA). We demonstrate a monotonic AoA curve as a function of the signal's true AoA. Although, this curve varies sensitively upon the experimental setup's exact geometry. We also demonstrate that regardless of the signal's AoA, the system is capable of determining the signal's relative phase to within ~ pm 2 degrees. We then compare the system's performance with a more conventional RF-heterodyne-based Rydberg receiver.

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Complete Metadata
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accessLevel public
accrualPeriodicity irregular
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contactPoint 
{
  "fn": "Matt Simons",
  "hasEmail": "mailto:matthew.simons@nist.gov"
}
description Data in the figures for the paper "Simultaneous Detection, Demodulation, and Angle-of-Arrival Determination of Communication Signals Using a Direct-Conversion Rydberg Receiver". This is mostly experimental data collected by digitizers and oscilloscopes from photodetectors. In this work, we apply a radio-frequency (RF) homodyne measurement technique to demonstrate a direct, baseband readout and simultaneous demodulation of the in-phase (I) and quadrature (Q) components of standard communication signals using a dual ladder Rydberg receiver. In addition to directly demodulating the signal, the polarization sensitivity of this receiver design allows for a determination the signal's angle of arrival (AoA). We demonstrate a monotonic AoA curve as a function of the signal's true AoA. Although, this curve varies sensitively upon the experimental setup's exact geometry. We also demonstrate that regardless of the signal's AoA, the system is capable of determining the signal's relative phase to within ~ pm 2 degrees. We then compare the system's performance with a more conventional RF-heterodyne-based Rydberg receiver.
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identifier ark:/88434/mds2-4053
issued 2026-03-17
keyword 
[
  "Rydberg atoms",
  "atomic physics",
  "electric field",
  "fields strength",
  "receivers",
  "volts/meter"
]
landingPage https://data.nist.gov/od/id/mds2-4053
language 
[
  "en"
]
license https://www.nist.gov/open/license
modified 2026-01-12 00:00:00
programCode 
[
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publisher 
{
  "name": "National Institute of Standards and Technology",
  "@type": "org:Organization"
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theme 
[
  "Advanced Communications:Quantum communications",
  "Physics:Atomic, molecular, and quantum"
]
title Simultaneous Detection, Demodulation, and Angle-of-Arrival Determination of Communication Signals Using a Direct-Conversion Rydberg Receiver

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