Stable and wavelength-selectable C + L band fiber ring laser with single-longitudinal-mode by utilizing C-band erbium fiber amplifier

Chien Hung Yeh*, Yuan Hong Zhuang, Ning Tsai, Chi-Wai Chow

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

In the investigation, we propose and demonstrate a wavelength-selectable C- plus L-band erbium-doped fiber (EDF) ring laser with single-longitudinal-mode (SLM) output. Here, a C-band erbium-doped fiber amplifier (EDFA) is utilized to serve as gain medium together with proposed multi-cross-ring (MCR) scheme to extend the wavelength tunability to L-band range. Besides, the MCR can also suppress the multi-longitudinal-mode (MLM) significantly. Therefore, the measured output power and optical signal to noise ratio (OSNR) of each lasing wavelength are between -10.1 and-2.7 dBm, and 26.4 and 35.0 dB/0.06 nm, respectively in the wavelength range from 1530.0 to 1584.0 nm. In addition, the output stabilities of power and wavelength in the proposed EDF MCR laser have been also analyzed experimentally.

Original languageEnglish
Pages (from-to)21019-21024
Number of pages6
JournalOptics Express
Volume25
Issue number18
DOIs
StatePublished - 4 Sep 2017

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