Abstract
In recent years, improving the performance of femtosecond lasers has become more and more challenging. A promising way to get around intrinsic physical limitations in laser designs it is the technique of spatially and/or temporally separated amplification and subsequent coherent addition of ultrashort pulses. It turns out that fiber amplifiers are perfect candidates for this concept due to their outstanding average-power capability and their simple single-pass setups. Herein we provide an overview of the most important experimental implementations of temporally separated amplification and recent results.
© 2016 Optical Society of America
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