Abstract
Passively harmonic mode-locking (HML) of an Erbium-doped fiber laser using carbon nanotubes polyvinyl alcohol (CNTs-PVA) film is presented. The 20th harmonic mode-locking pulses at 500MHz repetition rate with 42dB super-mode suppression ratio (SMSR) are achieved.
© 2017 Optical Society of America
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