报道了一种可用于生成毫米波源的单纵模双波长光纤激光器.该激光器采用保偏光纤布拉格光栅作为波长选择器件,其选出的两个波长是正交偏振态的,增强了偏振烧孔效应,有效减少了不同波长之间的竞争,得到稳定的双波长输出.利用复合腔的游标效应抑制多模振荡,实现激光器单纵模运转.双波长间隔约0.318 nm(39.8 GHz),边模抑制比(SMSR)大于50 dB.
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