A Selectable Single-Mode Erbium Fiber Laser With Mach-Zehnder Interferometer and Rayleigh Injection Scheme

Chien Hung Yeh*, Li Hung Liu, Han Shin Ko, Yi Ting Lai, Chi Wai Chow

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

In the paper, a hybrid Mach-Zehnder interferometer (MZI) and Rayleigh backscattering (RB) injection is designed and applied in the erbium-doped fiber (EDF) ring laser configuration. The MZI scheme and RB-induced signal can accomplish the single-longitudinal-mode (SLM) oscillation and narrow the linewidth to kHz target for each generated wavelength over the available wavelength-tuning bandwidth. In the measurement, the output power, optical signal to noise ratio (OSNR) and wavelength linewidth of the designed fiber laser are also executed and discussed.

Original languageEnglish
Article number1532904
JournalIEEE Photonics Journal
Volume14
Issue number3
DOIs
StatePublished - 1 Jun 2022

Keywords

  • erbium-doped fiber (EDF)
  • Fiber laser
  • Mach-Zehnder interferometer (MZI)
  • single-longitudinal-mode (SLM)
  • tunability

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