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Article Dans Une Revue Physical Review A Année : 2021

Spectral correlations in a fiber-optical parametric oscillator

Résumé

Tailoring wavelength correlations in fiber-optical sources through nonlinear phenomena could drive many quantum optics applications. However, to date, such correlations have not been explored within fiber-optical parametric oscillators (FOPO), which are now widespread wavelength-agile sources. We experimentally investigate the real-time dynamics of a synchronously pumped picosecond FOPO with a combination of statistical tools using time-stretch spectroscopy. The study of wavelength correlations allows us to unveil particular spectrotemporal dynamics and correlation patterns. Specifically, we demonstrate that combining mutual information (MI) analysis and least-squares regression with large ensembles of shot-to-shot spectra allows to efficiently track energy transfers from pump to parametric waves. In addition, we show that tuning the FOPO parameters enables the shaping of spectral correlations to a certain extent.
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Dates et versions

hal-03197998 , version 1 (14-04-2021)

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Mohamed Touil, Rezki Becheker, Thomas Godin, Ammar Hideur. Spectral correlations in a fiber-optical parametric oscillator. Physical Review A, 2021, 103 (4), ⟨10.1103/PhysRevA.103.043503⟩. ⟨hal-03197998⟩
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