Abstract
An fiber laser passively mode locked by a resonant saturable absorber mirror achieves more than average power at from a Fabry–Perot cavity. The pulsed regime is self-starting from the CW regime without any Q-switch transition. The output pulse has a duration of and can be extracavity dechirped with 42% efficiency down to , which represents 1.2 times the Fourier limit imposed by the spectrum. To date, this corresponds to the highest averaged power directly extracted at such a wavelength from a fiber laser mode locked with a saturable absorber mirror.
© 2011 Optical Society of America
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