We report on the generation of twin beams through a cascaded process of optical parametric oscillation in a doubly resonant second-harmonic generation system. These bright beams exhibit strong quantum correlations, enabling the observation of up to 5 dB of noise reduction in their intensity difference below the standard quantum limit.
Observation of quantum-correlated twin beams in cascaded nonlinear interactions
Castrignano S.;Ricciardi I.;Maddaloni P.;De Natale P.Conceptualization
;Wabnitz S.;De Rosa M.Conceptualization
2024
Abstract
We report on the generation of twin beams through a cascaded process of optical parametric oscillation in a doubly resonant second-harmonic generation system. These bright beams exhibit strong quantum correlations, enabling the observation of up to 5 dB of noise reduction in their intensity difference below the standard quantum limit.File in questo prodotto:
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