Abstract

The methods of shaping picosecond laser pulses with periodic intensity modulation tunable in frequency and depth are considered. Schemes for shaping modulated pulses “in-line” and with one output port are proposed. A picosecond modulation of the time envelope for IR laser pulses using a polarization interferometer is demonstrated experimentally. Shaping of modulated laser pulses of the UV range is shown by numerical modeling. The possibility to control the modulation depth of the fourth harmonic under the combined impact of material dispersion and nonlinear conversion in a classical collinear scheme of the fourth harmonic generation without distortion of the 3D pulse shape is demonstrated.

© 2021 Optical Society of America

Highly efficient fourth harmonic generation of broadband laser pulses retaining 3D pulse shape

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Shaping picosecond ellipsoidal laser pulses with periodic intensity modulation for electron photoinjectors

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Retaining 3D shape of picosecond laser pulses during optical harmonics generation

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Features of noncollinear second harmonic generation by infrared laser pulses with opposite frequency chirps

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