Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 31, Issue 11, Pages 1809-1812Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2013.2258891
Keywords
Doped fiber amplifiers; fiber lasers; fiber nonlinear optics; optical pulses; optical solitons; ultrafast optics
Funding
- Joint Technologies Office [FA9550-10-1-0560]
- Department of Energy [FA9550-10-1-0227, DE-FG06-97ER41276]
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We report the first mode-locked, thulium-doped fiber figure-eight laser. The mode-locked oscillator produces 1.5-ps pulses with 63 pJ of pulse energy at a 10.4-MHz repetition rate with a 3-nm bandwidth at a center wavelength of 2034 nm. After amplification, the pulses are compressed to 370 fs with similar to 50 nJ of pulse energy. The oscillator can also operate in a square pulse regime, yielding stable pulses from similar to 100 ps to 20 ns long with similar to 100 nJ per pulse after amplification.
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