Spectral properties of second, third and fourth harmonics generation from broadband multimode bright squeezed vacuum,Laser Physics Letters

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Spectral properties of second, third and fourth harmonics generation from broadband multimode bright squeezed vacuum
Laser Physics Letters ( IF 1.4 ) Pub Date : 2020-06-02 , DOI: 10.1088/1612-202x/ab8f2f
Denis A Kopylov ₁ , Andrei V Rasputnyi ₁ , Tatiana V Murzina ₁ , Maria V Chekhova _{1,

2,

3}

Affiliation

We study theoretically the spectra of second, third and fourth harmonics from multimode bright squeezed vacuum obtained by type-I broadband high-gain parametric down conversion. The different contributions to the spectra of harmonics are analyzed. A new method for the measurement of second-order correlation function g (2) (0) of parametric down conversion radiation is suggested.

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