Thermal induced polarization coupling in double-cladding linearly polarized fiber lasers

In this article, a thorough model of linearly polarized fiber laser considering polarization coupling, mode coupling, SBS, and SRS effects is established. The output results of direct pumping and tandem pumping linearly polarized fiber laser under different SBS and SRS intensity settings are simulated. The results show that direct pumping is a better pumping scheme at present, and if the doping concentration of gain fiber can be further increased and the mode field quality of corresponding passive fiber can be optimized, the disadvantages of tandem pumping can be suppressed. To explore the potential of tandem pumping, a backward tandem pumped linearly polarized fiber amplifier is built and 875 W over 13 dB linearly polarized laser output is obtained.

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Thermal induced polarization coupling in double-cladding linearly polarized fiber lasers

Cited by 6 publications

References 31 publications

Over three hundred watts linearly-polarized supercontinuum laser source

Over three hundred watts linearly-polarized supercontinuum laser source

Polarization extinction ratio promotion in high-power linearly polarized fiber lasers

Comparison of tandem pumping and direct pumping on high-power linearly polarized fiber laser

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