We experimentally generate twin beams through cascaded quadratic processes in a nonlinear chi((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.
Quantum correlated twin beams in cascaded optical parametric oscillator / Castrignano, Salvatore; Ricciardi, Iolanda; Maddaloni, Pasquale; De Natale, Paolo; Wabnitz, Stefan; De Rosa, Maurizio. - 13004:(2024). (Intervento presentato al convegno SPIE Photonics Europe 2024 tenutosi a Strasbourg; France) [10.1117/12.3016656].
Quantum correlated twin beams in cascaded optical parametric oscillator
Wabnitz, Stefan;
2024
Abstract
We experimentally generate twin beams through cascaded quadratic processes in a nonlinear chi((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.| File | Dimensione | Formato | |
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