Noise-like pulses generated at high harmonics in a partially-mode-locked km-long Raman fiber laser
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- Boucon, A., Barviau, B., Fatome, J. et al. Appl. Phys. B (2012) 106: 283. doi:10.1007/s00340-011-4816-5
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We present a 5-km-long Raman fiber laser that delivers pulses at high harmonics of the fundamental cavity repetition rate, up to 1 GHz. The observed nanosecond pulses that propagate in an anomalous dispersion regime possess a complex noise-like structure with a coherence time of around 1 picosecond.