Journal
LASER PHYSICS LETTERS
Volume 15, Issue 3, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1612-202X/aa9da1
Keywords
power scalability; single-pulse regime; ultrafast lasers; fiber lasers
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Funding
- National Natural Science Foundation of China [61475081]
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We investigate the average power scalability of all-normal-dispersion fiber integrated lasers with a nonlinear amplifying loop. This laser generates 34 ps pulses at a repetition of 8 MHz and spectral width of 30 rim when increased to the highest power. The laser operates on a single-pulse train regime and can be de-chirped as short as 200 fs. The 60 mW output power which can be maintained while operating with low Raman effect is the highest average power achieved for this type of laser in the sub-200 fs regime. The laser becomes unstable due to the strengthening of the Raman-Stokes pulse. Output pulses show great stability in testing.
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