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Intense spectrally broad-band twin beams from poled nonlinear crystals.

ABSTRACT: Properties of intense twin beams generated in parametric down-conversion in periodically poled LiNbO3 crystals and their chirped variants by intense pump fields are analyzed along the model of intense parametric down-conversion that allows for pump depletion and uses the dual spatio-spectral Schmidt modes. Spectral and spatial intensity auto- and cross-correlation functions are determined as they depend on the pump power. Temporal correlations in intense twin beams at the fs time scale are investigated using the Hong-Ou-Mandel interferometer and the process of sum-frequency generation.

SUBMITTER: Perina J 

PROVIDER: S-EPMC6193979 | biostudies-other | 2018 Oct

REPOSITORIES: biostudies-other

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Intense spectrally broad-band twin beams from poled nonlinear crystals.

Peřina Jan J  

Scientific reports 20181018 1

Properties of intense twin beams generated in parametric down-conversion in periodically poled LiNbO<sub>3</sub> crystals and their chirped variants by intense pump fields are analyzed along the model of intense parametric down-conversion that allows for pump depletion and uses the dual spatio-spectral Schmidt modes. Spectral and spatial intensity auto- and cross-correlation functions are determined as they depend on the pump power. Temporal correlations in intense twin beams at the fs time scal  ...[more]