Abstract
We produce ultrabroadband self-phase-stabilized near-IR pulses by a novel approach where a seed pulse, obtained by difference-frequency generation of a hollow-fiber broadened supercontinuum, is amplified by a two-stage optical parametric amplifier. Energies up to with a pulse spectrum extending from 1.2 to are demonstrated, and a route for substantial energy scaling is indicated.
© 2006 Optical Society of America
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