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Conferences > CLEO_SI > 2023 > STh4P > STh4P.6

Nonlinear Regenerative Amplifier with Net Negative Nonlinearity for Ultrashort-Pulse Generation

Chengyong Feng, Robert Holcomb, Gregory W. Jenkins, Christophe Dorrer, and Jake Bromage

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Abstract

We exploit self-defocusing nonlinearity from phase-mismatched second-harmonic-generation for nonlinear spectral broadening in a Yb:YAG thin-disk regen. We demonstrate direct amplification of 10-µ J, 1.2-ps pulses to 0.47 mJ with broadened spectrum that can support <400-fs pulses.

© 2023 The Author(s)

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