Second harmonic generation in a photonic crystal

Jordi Martorell, R. Vilaseca, R. Corbalán

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Abstract

Phase matched second harmonic generation is observed experimentally in a centrosymmetric crystalline lattice of dielectric spheres of optical dimensions. The inversion symmetry is broken locally at the surface of each sphere in such a way that the scattered second harmonic light interferes constructively leading to a nonvanishing macroscopic field. Phase matching of the fundamental and second harmonic waves in such periodic lattice is observed to be naturally provided by the bending of the photon dispersion curve at the edge of the Bragg reflection band of a given set of lattice planes. © 1997 American Institute of Physics.
Original languageEnglish
Pages (from-to)702-704
JournalApplied Physics Letters
Volume70
DOIs
Publication statusPublished - 10 Feb 1997

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    Martorell, J., Vilaseca, R., & Corbalán, R. (1997). Second harmonic generation in a photonic crystal. Applied Physics Letters, 70, 702-704. https://doi.org/10.1063/1.118244