Quantum optics and their applications (1)

[ALPS24-01(Invited)] Towards quantum-enhanced nonlinear imaging

Thomas Dickinson¹, Ivi Afxenti², Giedre Astrauskaite², Lennart Hirsch², Samuel Nerenberg², Ottavia Jedrkiewicz^4,3, Alessandra Gatti⁴, Daniele Faccio², Caroline Müllenbroich², Matteo Clerici^3,2, *Lucia Caspani¹ (1. University of Strathclyde, Glasgow, UK, 2. University of Glasgow, Glasgow, UK, 3. Università dell'Insubria, Como, Italy, 4. Istituto di Fotonica e Nanotecnologie del CNR)

We report on our recent investigations of nonlinear interactions driven by quantum light. We observed a quantum effect in the second-harmonic generation pumped by parametric down-conversion beyond the standard spontaneous regime.