Stabilized single-longitudinal-mode fiber laser with broadband and flat wavelength output

Guan Hong Li, Yuan Zhe Lin, Hung Wei Chang, Chien Hung Yeh*, Jhao Ren Chen, Bo Yin Wang, Wei Hung Hsu, Chi Wai Chow, Shien Kuei Liaw

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this study, we present and experimentally demonstrate an erbium-doped fiber (EDF) quad-fiber-ring (QFR) laser with selectable and flat single-longitudinal-mode (SLM) wavelength output. The designed QFR scheme not only can suppress dense multi-mode oscillation, but also can broaden and flatten the output wavelength covering C- and part of L-bands over a bandwidth from 1519.0 to 1579.0 nm when using a C-band EDF as gain medium. Additionally, the output power, optical signal to signal ratio (OSNR), linewidth, stability and tunability of the proposed EDF laser are also discussed.

Original languageEnglish
Article number) 015503
JournalPhysica Scripta
Volume96
Issue number1
DOIs
StatePublished - Jan 2021

Keywords

  • Erbium-doped fiber (EDF)
  • Optics laser
  • Single-longitudinal-mode

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