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Quantum-enhanced THz time-domain sensing

Dionysis Adamou, Lennart Hirsch, Taylor Shields, Seung‐Jin Yoon, Adetunmise C. Dada, Jonathan M R Weaver, Daniele Faccio, Marco Peccianti, Lucia Caspani, Matteo Clerici

Published Jan 1, 2025• 0 citations

Abstract

We report quantum-enhanced second harmonic generation driven by parametric down-conversion, with efficiencies surpassing those of classical light beyond the photon-pair regime. Experiments confirm a persistent quantum advantage up to ~10 photons per mode, extending nonlinear quantum enhancement toward practical applications.

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