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Five wavelength DFB fibre laser source for WDM systems

Five wavelength DFB fibre laser source for WDM systems

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Singlemode UV-induced distributed feedback (DFB) fibre lasers with a linewidth of < 15 kHz and a sidemode suppression better than 61 dB are presented. The stability of the lasers is verified by a 10 Gbit/s transmission experiment. Five DFB fibre lasers are cascaded and pumped by a single semiconductor laser, thereby forming a multiwavelength source for WDM systems.

Inspec keywords: fibre lasers; spectral line breadth; optical pumping; laser stability; distributed feedback lasers; laser beam applications; distributed Bragg reflector lasers; optical communication equipment; wavelength division multiplexing

Other keywords: stability; five wavelength laser source; multiwavelength source; Gbit/s transmission experiment; DBR laser; cascaded configuration; DFB fibre laser source; WDM systems; sidemode suppression; singlemode UV-induced fibre lasers; single semiconductor laser pump; linewidth; 10 Gbit/s; Bragg gratings

Subjects: Design of specific laser systems; Optical communication; Fibre lasers and amplifiers; Optical communication devices, equipment and systems; Laser applications; Fibre lasers and amplifiers

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