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Nonlinear optics

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Nonlinear optics is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the polarization P responds nonlinearly to the electric field E of the light.

Nonlinear optics gives rise to a host of optical phenomena:

Second harmonic generation (SHG)
Third harmonic generation (THG)
Parametric frequency mixing and amplification
Phase conjugation
Pockels effect
Acousto-optics
Optical Kerr effect (intensity dependent refractive index)
- Self focusing
- Self phase modulation (SPM)
Brillouin scattering
Raman scattering

(work in progress) - DrBob

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