Clever use of quantum feedback and single photons has produced the most sensitive interferometer yet devised, with a precision approaching the Heisenberg limit. Interferometers detect the differences ...
The relentless pursuit of higher precision in semiconductor lithography and atomic-scale manufacturing demands measurement systems capable of sub-nanometer accuracy, multi-axis capability, and robust ...
Valeria Sequino is in the Department of Physics, University of Naples Federico II, Naples 80126, Italy, and at INFN, Naples. Read the paper: Quantum correlations between light and the kilogram-mass ...
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