Bichromatic HHG with coherent drive at ω and perturbative BSV at 2ω yields multimode Gaussian entanglement in even harmonics, modeled as a collective squeezed mode over the harmonic manifold.
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Prediction of photon anti-bunching in HHG via the Heisenberg picture approach, claimed as the first theoretical single-photon non-classicality signature in HHG temporal correlations.
Nonclassical radiation in strongly driven systems originates from nonlinear dependence of the electronic dipole on the light-mode coordinate, producing squeezing or Wigner negativity depending on the order of nonlinearity.
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Emergence of Gaussian entanglement and non-Gaussianity in high-harmonic generation driven by bright squeezed light
Bichromatic HHG with coherent drive at ω and perturbative BSV at 2ω yields multimode Gaussian entanglement in even harmonics, modeled as a collective squeezed mode over the harmonic manifold.
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Photon anti-bunching in high harmonic generation
Prediction of photon anti-bunching in HHG via the Heisenberg picture approach, claimed as the first theoretical single-photon non-classicality signature in HHG temporal correlations.
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Emergence of nonclassical radiation in strongly laser-driven quantum systems
Nonclassical radiation in strongly driven systems originates from nonlinear dependence of the electronic dipole on the light-mode coordinate, producing squeezing or Wigner negativity depending on the order of nonlinearity.