Abstract
We report an all-fiber graphene-based gate tunable saturable absorber, optical nonlinearity enhancer, dynamic dispersion controller and electrical feedback accepter. This is used to mode-lock fiber lasers, enabling tunable repetition rate from 20 MHz to 348 GHz, with minimized super-mode noise < −50 dB and timing jitter < 6.62×10−17 s.
© 2018 The Author(s)
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