mid-infrared spectroscopy 1non-destructive testing 1nonlinear interferometer 1quantum metrology 1undetected photons 1
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quant-ph2026
Quantum metrology with undetected mid-infrared photons for applied non-destructive testing
Paul Gattinger, Andreas W. Schell, Maja Buchegger +2
The paper presents a quantum metrology approach that uses undetected mid‑infrared photons generated via spontaneous parametric down‑conversion to perform mid‑IR spectroscopy, micro…
quant-ph2026
Limits to the validity of gravitational redshift as a quantum-optical multimode mixer
Nils Leber, Luis Adrián AlanÃs RodrÃguez, Alessandro Ferreri +2
We analyze the domain of validity of a quantum optical model that describes the effects of gravitational redshift on the quantum state of photons that propagate in curved spacetime…