Acta Optica Sinica, Volume. 29, Issue s1, 408(2009)
Multiwavelength Fiber Laser with Symmetrical Nonlinear Optical Loop Mirror
A multiwavelength fiber laser with symmetrical nonlinear optical loop mirror, from which up to 8 wavelengths can be generated, has been proposed and demonstrated. The intensity-dependent transmission of nonlinear optical loop mirror due to nonlinear polarization rotation effect is used to alleviate the mode competition in the homogeneous broadening gain medium of erbium-doped fiber. Besides, a novel comb-like filter i.e. birefringence fiber filter is proposed and utilized, which has in-line configuration. At the same time, the effect of the 980 nm pump power on the multiwavelength generation has be investigated. It is shown that the pump power contribute a lot to the evenness of the multiwavelength spectra.
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Zhang Zuxing, Ye Zhiqing, Wu Jian, Xu Kun, Nie Yiyou, Lin Jintong. Multiwavelength Fiber Laser with Symmetrical Nonlinear Optical Loop Mirror[J]. Acta Optica Sinica, 2009, 29(s1): 408