Abstract

We report on a high-power fiber frequency comb exhibiting linear chirped-pulse amplification up to $80\mathrm{W}$ and generating $120\mathrm{fs}$ pulses. By proper matching of the group delay between the fiber stretcher and compressor, a compression ratio of 3100 could be achieved. Carrier envelope offset self-referencing and long-term phase locking to an rf reference is demonstrated, exemplifying the suitability of this system for generating vacuum and extreme-UV frequency combs via enhancement in passive cavities and high harmonic generation.

© 2010 Optical Society of America

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