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Article Dans Une Revue OPTICS LETTERS Année : 2018

Broadband bright twin beams and their upconversion

Résumé

We report on the observation of broadband (40 THz) bright twin beams through high-gain parametric downconversion in an aperiodically poled lithium niobate crystal. The output photon number is shown to scale exponentially with the pump power and not with the pump amplitude, as in homogeneous crystals. Photon number correlations and the number of frequency/temporal modes are assessed by spectral covariance measurements. By using sum-frequency generation on the surface of a non-phase-matched crystal, we measure a cross-correlation peak with the temporal width of 90 fs. (C) 2018 Optical Society of America

Dates et versions

hal-04537090 , version 1 (08-04-2024)

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Maria V. Chekhova, Semen Germanskiy, Dmitri B. Horoshko, Galiya Kh. Kitaeva, Mikhail I. Kolobov, et al.. Broadband bright twin beams and their upconversion. OPTICS LETTERS, 2018, 43 (3), pp.375-378. ⟨10.1364/OL.43.000375⟩. ⟨hal-04537090⟩
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