🌐EnglishEnglishDeutschFrançaisPolskiفارسی한국어中文日本語EntityQ1424759· pop 11· linked from 70 articlesfour-wave mixingnonlinear optics intermodulation phenomenon whereby interactions between two or three wavelengths produce two or one new wavelengthsConnectionsnonlinear opticsEntityintermodulationEntityCategoriesFiber opticsFrequency mixersNonlinear opticsPhotonics