Nonlinear-polarization-rotation based multiwavelength erbium-doped fiber lasers with highly nonlinear fiber |
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Authors: | Zhang Z X Ye Z Q Sang M H Nie Y Y |
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Institution: | 1.College of Physics and Communication Electronics, Key Lab of Photoelectron and Communications of Jiangxi Province, Jiangxi Normal University, Nanchang, 330022, China ; |
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Abstract: | A multiwavelength erbium-doped fiber laser based on nonlinear polarization rotation with incorporation of a highly nonlinear
fiber has been demonstrated. Stable multi-wavelength operation at room temperature is realized owing to the intensity-dependent
transmission in fiber laser with nonlinear-polarization-rotation effect. And benefiting from the four-wave mixing in the highly
nonlinear fiber, the uniformity and stabilization of the output multi-wavelength lasing have been greatly improved, in comparison
with similar laser using single-mode fiber. Moreover, the wavelength spacing can be arbitrarily chosen according to the requirement
through changing the PMF length. |
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Keywords: | |
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