The role of ferroelectric domain structure in second harmonic generation in random quadratic media.
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We study theoretically and numerically the second harmonic generation in a nonlinear crystal with random distribution of ferroelectric domains. We show that the specific features of disordered domain structure greatly affect the emission pattern of the generated harmonics. This phenomena can be used to characterize the degree of disorder in nonlinear photonic structures.
author list (cited authors)
Roppo, V., Wang, W., Kalinowski, K., Kong, Y., Cojocaru, C., Trull, J., ... Kivshar, Y. u.
complete list of authors
Roppo, Vito||Wang, W||Kalinowski, K||Kong, Y||Cojocaru, C||Trull, J||Vilaseca, R||Scalora, M||Krolikowski, W||Kivshar, Yu