Utilizing C-band erbium fiber and saturable absorber for broadband and continuous wavelength tunability laser with single-mode oscillation

Yue Ru Xie, Chien Ming Luo, Chien Hung Yeh*, Chi Wai Chow

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

In the paper, we report and exhibit a C-band erbium-doped fiber (EDF) based gain medium laser together with a 5 m unpumped EDF saturable absorber (SA) to attain broadly wavelength-selectable range and single-longitudinal-mode operation. Here, the whole tunability range of 1521.0 to 1601.0 nm (C plus L bands) can be accomplished by the designed EDF laser scheme. The output power and optical signal-to-noise ratio of the EDF laser are detected between -10.9 and 2.3 dBm and 33.1 and 45.1 dB/0.06 nm, respectively. In addition, the achievable SLM operation range runs from 1521.0 to 1581.0 nm due to the absorption limit of the EDF SA. The detected output stability and Lorentzian linewidth are also experimentally considered and significantly discussed.

Original languageEnglish
Article number035102
JournalLaser Physics
Volume30
Issue number3
DOIs
StatePublished - 22 Jan 2020

Keywords

  • communication optical
  • fiber lasers
  • fiber optics

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