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Semester: Wintersemester 2021

5.04.905 Nonlinear and strong-field optics -  


  • Mittwoch: 16:15 - 17:45, wöchentlich (20.10.2021 - 02.02.2022)


Students will acquire knowledge in nonlinear optics and deepen their understanding of general optics, laser physics, and ultrashort pulses. They will deepen the understanding of light-matter interaction in classical as well as quantum mechanical frames, which can be a basis for further studies, e.g., in ultrafast physics, attosecond physics, linear and nonlinear spectroscopy, nonlinear microscopy techniques, and many more. They will get to know many specific applications, such as frequency doubling, frequency conversion processes, supercontinuum generation in nonlinear fibers, stimulated Raman scattering, ultrafast switching or ultrafast electron microscopy. The lecture will prepare for a master thesis bearing connection to optics.

• Nonlinear susceptibility and nonlinear light-matter interaction
• Coupled wave equation and phase matching
• Intensity-dependent refractive index
• Quantum mechanical treatment: perturbation theory and density matrix calculations
• Brillouin and Raman scattering, multiphoton absorption and photoemission
• Ultrafast and intense light fields: field-driven effects
• High field strengths, strong-field nano-optics, ultrafast switching and ultrafast electron



  • Studium generale / Gasthörstudium



empfohlenes Fachsemester

Für Gasthörende / Studium generale geöffnet:

Hinweise zum Inhalt der Veranstaltung für Gasthörende
Nonlinear optics is the study of phenomena that occur at high light intensities and that are beyond absorption and transmission. Such high intensities can be reached with laser light, with ultrashort pulses, or in the confined geometries of nanostructures. They cause a modification of the optical properties of the material by the laser light itself. As a result, a multitude of effects can be observed, such as the generation of new frequencies leading to white-light supercontinuum and high harmonic generation, or the intensity-dependent modulation of the refractive index and ultrafast switching. In this lecture we will explore these nonlinear effects and their applications as well as the fundamental light-matter interactions that enable them.

(Stand: 09.06.2021)