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DY: Fachverband Dynamik und Statistische Physik

DY 58: Poster: Nonlinear Dynamics; Pattern Formation; Networks; Delay Systems; Synchronization

DY 58.5: Poster

Donnerstag, 19. März 2020, 15:00–18:00, P1C

Ultrafast soliton interaction via Raman scattering — •Alexandra Völkel and Georg Herink — Experimental Physics VIII, University Bayreuth, Germany

Recent real-time studies revealed interactions of ultrashort soliton pulses in a femtosecond oscillator., i.e. bound states at discrete temporal binding separations [1]. We investigate the impact of the non-instantaneous nonlinear response of the laser gain medium onto the interpulse dynamic coupling. Specifically, we analyze the contribution of coherent phonons driven by impulsive Raman scattering. Employing a sensitive pump-probe scheme, we characterize the response of the nonlinear refractive index in the time domain and discuss the coupling process.

[1] Herink et al., Real-time spectral interferometry probes the internal dynamics of femtosecond soliton molecules. Science, 356 (2017)