Data provided by National Institute of Standards and Technology
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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Updated: 2026-09-04
Metadata Last Updated:
2026-01-12 00:00:00
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| Title | Simultaneous Detection, Demodulation, and Angle-of-Arrival Determination of Communication Signals Using a Direct-Conversion Rydberg Receiver |
|---|---|
| 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. |
| Modified | 2026-01-12 00:00:00 |
| Publisher Name | National Institute of Standards and Technology |
| Contact | mailto:[email protected] |
| Keywords | Rydberg atoms , atomic physics , receivers , fields strength , electric field , volts/meter |
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