Observation of 550 MHz passively harmonic mode-locked pulses at L-band in an Er-doped fiber laser using carbon nanotubes film

Qianqian Huang, Chuanhang Zou, Tianxing Wang, Mohammed Al Araimi, Aleksey Rozhin, Chengbo Mou*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We demonstrate a passively harmonic mode-locked (PHML) fiber laser operating at the L-band using carbon nanotubes polyvinyl alcohol (CNTs-PVA) film. Under suitable pump power and an appropriate setting of the polarization controller (PC), the 54th harmonic pulses at the L-band are generated with the side mode suppression ratio (SMSR) better than 44 dB and a repetition frequency of 503.37 MHz. Further increasing the pump power leads to a higher frequency of 550 MHz with compromised stability of 38.5 dB SMSR. To the best of our knowledge, this is the first demonstration on the generation of L-band PHML pulses from an Er-doped fiber laser based on CNTs.

Original languageEnglish
Article number094210
JournalChinese Physics B
Volume27
Issue number9
DOIs
Publication statusPublished - 1 Sep 2018

Bibliographical note

©2018 IOP Publishing Ltd. After the Embargo Period, the full text of the Accepted Manuscript may be made available on the non-commercial repository for anyone with an internet connection to read and download. After the Embargo Period a CC BY-NC-ND 3.0 licence applies to the Accepted Manuscript, in which case it may then only be posted under that CC BY-NC-ND licence provided that all the terms of the licence are adhered to, and any copyright notice and any cover sheet applied by IOP is not deleted or modified.

Keywords

  • Carbon nanotubes film
  • Er-doped fiber laser
  • L-band
  • Passively harmonic mode locking

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