Dynamic distributed quantum sensing of radio-frequency fields via time-bin entanglement
This work proposes using time-bin entangled qubits instead of traditional polarization probes for distributed quantum sensing of radio-frequency (RF) fields. By mapping dynamic RF phase signals onto static optical phases using time-bin separation, the method achieves a 6 dB sensitivity enhancement over static polarization encodings while maintaining the standard 3 dB quantum advantage per pair.