Switchable multi-wavelength laser based on a core-offset Mach-Zehnder interferometer with non-zero dispersion-shifted fiber

•A switchable multi-wavelength laser.•Core-offset Mach-Zehnder interferometer.•Non-zero dispersion-shifted fiber. In this paper, a switchable multi-wavelength erbium-doped fiber ring laser, based on a core-offset Mach-Zehnder interferometer (MZI) with non-zero dispersion shifted fiber (NZ-DSF), is p...

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Veröffentlicht in:Optics and laser technology 2018-08, Vol.104, p.49-55
Hauptverfasser: Bianchetti, M., Sierra-Hernandez, J.M., Mata-Chavez, R.I., Gallegos-Arellano, E., Estudillo-Ayala, J.M., Jauregui-Vazquez, D., Fernandez-Jaramillo, A.A., Salceda-Delgado, G., Rojas-Laguna, R.
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Sprache:eng
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Zusammenfassung:•A switchable multi-wavelength laser.•Core-offset Mach-Zehnder interferometer.•Non-zero dispersion-shifted fiber. In this paper, a switchable multi-wavelength erbium-doped fiber ring laser, based on a core-offset Mach-Zehnder interferometer (MZI) with non-zero dispersion shifted fiber (NZ-DSF), is proposed and experimentally demonstrated. Here, the core-offset MZI was implemented by fusion splicing a segment of a NZ-DSF between two single-mode fiber sections. In the proposed ring cavity design, the core-offset MZI is acting as a wavelength selective filter and it is optimized in order to achieve a single-mode suppression ratio (SMSR) of about of 56 dB. In addition, the laser is capable of emitting a single, double, or triple line, which can be switched from 1546 to 1564 nm by controlling its polarization states. Finally, this laser fiber offers a high output power stability at room temperature, compactness, robustness and low implementation cost.
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2018.02.012