Simple erbium-doped dual-ring fiber laser configuration for stable and tunable dual-wavelength output

C. H. Yeh*, Chi Wai Chow, B. C. Cheng, J. H. Chen, K. H. Chen

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We propose and experimentally investigate a stable and tunable dual-wavelength erbium-doped fiber (EDF) dual-ring laser scheme. Here, two tunable bandpass filters (TBFs) are used inside the dual-ring gain cavity to generate dual-wavelength lasing. And, due to the gain competition of the EDF gain cavity, the mode-spacing (Δλs) of lasing dual-wavelength will be limited at different operating wavelengths. Hence, the minimum and maximum mode-spacing in the proposed EDF laser scheme are 0.75 and 15.35 nm in C-band range. Besides, the output performances of proposed fiber laser have also been studied and analyzed.

Original languageEnglish
Pages (from-to)1645-1649
Number of pages5
JournalLaser Physics
Volume21
Issue number9
DOIs
StatePublished - 1 Sep 2011

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