Abstract

Terahertz modulation of chirped laser pulse intensity was achieved with phase-only spectral modulation. Preservation of this modulation during second harmonic generation together with almost 30% conversion efficiency was demonstrated employing noncollinear frequency mixing of 60-µJ oppositely chirped laser pulses.

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Noncollinear frequency mixing and fourth-harmonic generation of oppositely chirped laser pulses

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

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Induced modulation of a chirped laser pulse at terahertz frequency with spectral phase shaping

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

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