Octave-Spanning Supercontinuum from an Efficient Gigahertz Femtosecond Yb:KGW Laser with 2.2-W Average Power
S. Pekarek1, C. Fiebig2, K. Paschke2, G. Erbert2, T. Südmeyer1, and U. Keller1
Published in:
European Conf. on Lasers and Electro-Optics and the European Quantum Electronics Conf. (CLEO Europe - EQEC 2011), Munich, Germany, May 22-26, paper CA11.1-WED (2011).
Abstract:
We present Yb:KGW lasers at 1-GHz and 2.4-GHz repetition rate generating sub-300-fs pulses with >2.2-W average power and >38% optical-to-optical efficiency. At 1 GHz, we generate an octave-spanning supercontinuum without further amplification in a photonic-crystal-fiber.
1 Department of Physics, Institute for Quantum Electronics, ETH Zurich, 8093 Zurich, Switzerland
2 Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Strasse 4, 12489 Berlin, Germany
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