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Intensity-dependent speckle correlation in a disordered, second-order nonlinear medium

Rabisankar Samanta, Romain Pierrat, Rémi Carminati, and Sushil Mujumdar

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Abstract

We investigate speckle correlations in a χ(2)-nonlinear disordered medium. The frequency-doubled speckle decorrelates faster than the fundamental with increasing input power. Two theoretical models are developed for qualitative and quantitative agreement.

© 2021 The Author(s)

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