3 papers
quant-ph2025
Beating joint quantum estimation limits with stepwise multiparameter metrology
Chiranjib Mukhopadhyay, Abolfazl Bayat, Victor Montenegro +1
Conventional multiparameter quantum sensing relies on joint estimation, but this approach faces two key limitations: theoretical bounds may be unattainable due to measurement incom…
quant-ph2025
Enhanced quantum frequency estimation by nonlinear scrambling
Victor Montenegro, Sara Dornetti, Alessandro Ferraro +1
Frequency estimation, a cornerstone of basic and applied sciences, has been significantly enhanced by quantum sensing strategies. Despite breakthroughs in quantum-enhanced frequenc…
quant-ph2024
Saturable global quantum sensing
Chiranjib Mukhopadhyay, Matteo G. A. Paris, Abolfazl Bayat
Conventional formulation of quantum sensing has been mostly developed in the context of local estimation, where the unknown parameter is roughly known. In contrast, global sensing,…