We have demonstrated an all-fiber passively harmonic mode-locked laser by using helical long-period grating inscribed in polarization-maintaining fiber for the first time. 1.94 GHz pulses at 63rd harmonic with 49.5dB super-mode suppression ratio are obtained.

© 2019 The Author(s)

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription