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Opt Lett. 2007 Oct 15;32(20):2957-9.

Millijoule-level phase-stabilized few-optical-cycle infrared parametric source.

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National Laboratory for Ultrafast and Ultraintense Optical Science, CNR-INFM, Department of Physics, Politecnico di Milano, Milan, Italy.


Ultrabroadband self-phase-stabilized near-IR pulses have been generated by difference-frequency generation of a filament broadened supercontinuum followed by two-stage optical parametric amplification. Pulses with energy up to 1.2 mJ and duration down to 17 fs are demonstrated. These characteristics make such a source suited as a driver for high-order harmonic generation and isolated attosecond pulse production.


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