A Complex Least Squares maximum likelihood estimator using amplitude and phase data enables record 0.1 nW received power and near-quantum-limited precision for timing over a 113 km O-TWTFT free-space link.
First, we justify the feasibility of selecting high SNR interferograms
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Enhanced timing of a 113 km O-TWTFT link with digital maximum likelihood estimation process
A Complex Least Squares maximum likelihood estimator using amplitude and phase data enables record 0.1 nW received power and near-quantum-limited precision for timing over a 113 km O-TWTFT free-space link.