Abstract

Control of nonlinearity is a challenge in fiber amplifiers designed to generate pulses of a few picoseconds duration, and as a result, picosecond fiber amplifiers have failed to reach peak power of 1MW. Divided-pulse amplification, combined with the use of circular polarization, allows the generation of 2.2ps pulses with energy as high as 2.5μJ and peak power of 1MW.

© 2012 Optical Society of America

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