Physical Review A

Influence of frequency detuning on a four-level heterodyne Rydberg-atom receiver

Yu Tang, Chuang Yang, Shuang Ren

Published Mar 17, 2026• 0 citations

Abstract

In recent years, quantum reception technology has achieved significant progress in microwave detection. However, most existing studies focus on energy-level resonance conditions, while research on the influence of frequency detuning is relatively scarce. Based on the four-level heterodyne Rydberg-atom receiver system, this paper establishes a theoretical model using the two-dimensional Fourier transform to analyze the correlation between frequency detuning and system response. Through theoretical simulation, the system response under different detuning conditions is quantitatively obtained, and the model is verified by experiment. This study expands the understanding of frequency detuning in Rydberg-atom receivers and provides guidance for designing their parameters in complex environments.

DOI: 10.1103/zl3n-gd2k

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