Schematics of GHZ-state-based Ramsey interferometry and credible-interval-based adaptive Bayesian estimation. (IMAGE)

Science China Press

Schematics of GHZ-state-based Ramsey interferometry and credible-interval-based adaptive Bayesian estimation.

Caption

(a) Ramsey interferometry with a GHZ state using parity measurement; (b) Ramsey interferometry with a GHZ state using one-axis twisting interaction-based readout; (c) a Bayesian estimation process demonstrating likelihood calculation based on measurement outcomes and subsequent posterior distribution updating; (d) left: implementation of the CI-adaptive protocol with K+1 ensembles of cascaded GHZ states. Right: credible-interval update.

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