High-power chirped-pulse all-fiber amplification system based on large-mode-area fiber gratings

Abstract

We describe the fabrication of chirped gratings in a specially developed photosensitive large-mode-area fiber and report the use of these components in a picosecond all-fiber chirped-pulse-amplification circuit. We demonstrate the generation of microjoule energy pulses with peak powers in excess of 500  kW, which we believe to be a record peak power from an all-fiber system.

© 1999 Optical Society of America

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