Quantum correlated twin beams in cascaded optical parametric oscillator

Salvatore Castrignano; Iolanda Ricciardi; Pasquale Maddaloni; Paolo De Natale; Stefan Wabnitz; Maurizio De Rosa

doi:10.1117/12.3016656

20 June 2024 Quantum correlated twin beams in cascaded optical parametric oscillator

Salvatore Castrignano, Iolanda Ricciardi, Pasquale Maddaloni, Paolo De Natale, Stefan Wabnitz, Maurizio De Rosa

Proceedings Volume 13004, Nonlinear Optics and its Applications 2024; 130040L (2024) https://doi.org/10.1117/12.3016656
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

We experimentally generate twin beams through cascaded quadratic processes in a nonlinear χ⁽²⁾ crystal, leading to an internally pumped optical parametric oscillation, in a doubly resonant second-harmonic generation system. The exploration of the non-classical properties of these beams enabled the observation of up to 5 dB of noise reduction in their intensity difference below the standard quantum limit.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Salvatore Castrignano, Iolanda Ricciardi, Pasquale Maddaloni, Paolo De Natale, Stefan Wabnitz, and Maurizio De Rosa "Quantum correlated twin beams in cascaded optical parametric oscillator", Proc. SPIE 13004, Nonlinear Optics and its Applications 2024, 130040L (20 June 2024); https://doi.org/10.1117/12.3016656

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