Archive: January, 2015

New paper: Linear optical quantum metrology with single photons

Full text available here. Quantum number-path entanglement is a resource for super-sensitive quantum metrology and in particular provides for sub-shotnoise or even Heisenberg-limited sensitivity. However, such number-path entanglement has thought to have been resource intensive to create in the first place — typically requiring either very strong nonlinearities, or nondeterministic preparation schemes with feed-forward, which […]

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