Femtosecond fiber CPA system in a single pass configuration

Michał Laskownicki, Jan Szczepanek, Yuriy Stepanenko, Piotr Skibiński, Piotr Wasylczyk, Michał Nejbauer, Czesław Radzewicz


We present a compact Yb-doped fiber chirped pulse amplification system set in a single pass configuration. The system is capable of delivering 34μJ pulses with 200kHz repetition rate. When seeded with a low average power oscillator, the amplifier optical-to-optical efficiency is as high as 37% and the gain reaches 52dB. Temporal pulse degradation due to self-phase modulation is explored. One stage amplification allowed us to limit the set-up complexity, typical for multi-stage CPA systems.

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Photonics Letters of Poland - A Publication of the Photonics Society of Poland
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ISSN: 2080-2242