page_title: Harmonic generation
hierarchical_section_title: Harmonic generation
caption_attribution_description: English: Quantic description of n-th harmonic generation
context_page_description: Harmonic generation is a nonlinear optical process in which n photons with the same frequency interact with a nonlinear material, are "combined", and generate a new photon with n times the energy of the initial photons.
context_section_description: Harmonic generation (HG, also called multiple harmonic generation) is a nonlinear optical process in which n photons with the same frequency interact with a nonlinear material, are "combined", and generate a new photon with n times the energy of the initial photons (equivalently, n times the frequency and the wavelength divided by n).
caption: N-th harmonic generation
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