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Single-stage few-cycle nonlinear compression of milliJoule energy Ti:Sa femtosecond pulses in a multipass cell

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Abstract

We report on the nonlinear temporal compression of mJ energy pulses from a Ti:Sa chirped pulse amplifier system in a multipass cell filled with argon. The pulses are compressed from 30 fs down to 5.3 fs, corresponding to two optical cycles. The post-compressed beam exhibits excellent spatial quality and homogeneity. These results provide guidelines for optimizing the compressed pulse quality and further scaling of multipass-cell-based post-compression down to the single-cycle regime.

© 2021 Optical Society of America

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Supplementary Material (3)

NameDescription
Visualization 1       On-axis temporal and spectral pulse profiles evolutions in the first pass of the multipass cell at 400 mbar. Self-steepening has little impact on the temporal pulse properties.
Visualization 2       On-axis temporal and spectral pulse profiles evolutions in the first pass of the multipass cell at 450 mbar. Self-steepening starts to slightly distort the temporal pulse properties.
Visualization 3       On-axis temporal and spectral pulse profiles evolutions in the first pass of the multipass cell at 500 mbar. Self-steepening strongly distorts the temporal pulse properties.

Data availability

Data underlying the results presented in this Letter are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Figures (6)

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