most citedEnergetic sub-2-cycle laser with 220 W average power

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physics.optics2022★ 25 cited

Carrier-envelope offset stable, coherently combined ytterbium-doped fiber CPA delivering 1 kW of average power

Evgeny Shestaev, Steffen Hädrich, Nico Walther +8

We present a carrier-envelope offset (CEO) stable ytterbium-doped fiber chirped-pulse amplification system employing the technology of coherent beam combining and delivering more t…

physics.optics2022★ 46 cited

Transverse mode instability and thermal effects in thulium-doped fiber amplifiers under high thermal loads

Christian Gaida, Martin Gebhardt, Tobias Heuermann +3

We experimentally analyze the average-power-scaling capabilities of ultrafast, thulium-doped fiber amplifiers. It has been theoretically predicted that thulium-doped fiber laser sy…

physics.optics2021★ 142 cited

Energetic sub-2-cycle laser with 220 W average power

Steffen Hädrich, Marco Kienel, Michael Müller +12

Few-cycle lasers are essential for many research areas such as attosecond physics that promises to address fundamental questions in science and technology. Therefore, further advan…