Cavity-enhanced similariton Yb-fiber laser frequency comb: 3×1014 W/cm2 peak intensity at 136 MHz

I. Hartl*, T. R. Schibli, A. Marcinkevicius, D. C. Yost, D. D. Hudson, M. E. Fermann, Jun Ye

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)


We report on a passive cavity-enhanced Yb-fiber laser frequency comb generating 230 MW of peak power (3 kW of average power) at a 136 MHz pulse repetition rate. The intracativy peak intensity of 3×1014 W/cm2 for the 95 fs pulse is sufficient to ionize noble gases, such as Xe, Kr, or Ar. The laser system is based on a mode-locked Yb-fiber similariton oscillator in conjunction with a cladding-pumped chirpedpulse fiber amplifier. After recompression, 75 fs duration pulses at a 13.1 W average power are obtained. These pulses are then coherently added inside a passive ring cavity by controlling the fiber oscillator’s pulse repetition rate and carrier-envelope offset frequency. This system is well suited for studying high-field phenomena at very high pulse repetition rates.

Original languageEnglish
Pages (from-to)2870-2872
Number of pages3
JournalOptics Letters
Issue number19
Publication statusPublished - 1 Oct 2007
Externally publishedYes

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