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Generation of broadband 10 µm pulses using four-wave mixing compression in GaAs

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Abstract

We report the generation of <2 ps 10 µm pulses by four-wave mixing compression of a 200 ps CO2 laser beat-wave in GaAs. Experiments reveal that phase-mismatched quadratic interactions contribute to the effective third-order nonlinearity.

© 2016 Optical Society of America

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