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EPJ Quantum Technology
Figure 5 | EPJ Quantum Technology

Figure 5

From: Local oscillator port integrated resonator for Rydberg atom-based electric field measurement enhancement

Figure 5

(a) Measured SNR versus EIT specturm shift under 100 KHz detuned frequency. (b) Measured SNR versus detuned frequency of LO signal under 2.6 MHz EIT specturm shift. (c) The SNR as a function of S11 relative to a fixed LO and antenna power. (d) Results from the Rydberg-atom superheterodyne, plots of the beat-note intensity of the spectrum analyzer as functions of signal generator

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