Robuta

https://www.nist.gov/publications/clock-precision-beyond-standard-quantum-limit-10-18-level
standard quantum limitclockprecisionbeyond
https://arxiv.org/abs/2308.04146
Abstract page for arXiv paper 2308.04146: Beating the standard quantum limit for binary phase-shift-keying discrimination with a realistic hybrid feed-forward...
standard quantum limitbinary phasebeating