Cubic nonlinear effects: self-focusing and modulation instability in glasses

Theoretical and experimental study of optical propagation in Kerr glassy media with nonlinear losses as stabilizing mechanism for two-dimensional soliton-like beams and modulationally unstable patterns. We investigate picosecond pulse self-channeling and multiple filamentation in heavy metal oxide glasses (HMO) with ultrafast Kerr response and multiphoton absorption in the near infrared.


Laser Processing Group, Instituto de Optica, CSIC, Madrid, Spain


Gaetano Assanto, Lorenzo Colace, Elena D

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