Quantum Inspired RF Phase Measurement by Parity Estimation

Quantum 2.0 Conference and Exhibition(2022)

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摘要
Super-resolved interferometric phase measurements in the RF domain have been demonstrated by estimating the Parity operator through quadrature measurements, saturating the information theoretic Cramer-Rao bound. We achieved 600-fold improvement over the Rayleigh limit with 56dB SNR.
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关键词
quantum,rf,parity,phase
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