Abstract
We report a hybrid passively mode-locked dumbbell-shaped fiber laser based on a nonlinear optical loop mirror and a nonlinear amplifying optical fiber-loop mirror. The laser produced noise-like pulses with repetition rate of 8.85 MHz and pulse energy of 16.2 and 26.4 nJ from the two output ports, respectively. Several interesting phenomena are observed and briefly discussed in the paper.
© 2016 Optical Society of America
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