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增镀光学薄膜改善DFB激光器的光谱特性
Improved Spectral Characteristics of DFB Lasers by Added Coating *
【摘要】 利用增镀光学薄膜的方法,有效地将原来处于双模工作的1.3μm DFB激光器变为单模工作的激光器.选择的增镀膜层起到了抑制边模的作用.从而改变了激光器的模式特性.实验表明,增镀光学薄膜技术可望成为改善DFB激光器单模成品率的一种辅助方法
【Abstract】 The selected coating technique can be used to improve the single longitudinal mode yield of the index\|coupled(IC) DFB lasers,because the facet of the grating for IC\|DFB lasers can be changed by the selected coating on the facet.The experiments show that the selected coating technique is an efficient method for transforming two mode operation of IC\|DFB lasers to single mode.
- 【文献出处】 半导体学报 ,CHINESE JOURNAL OF SEMICONDUCTORS , 编辑部邮箱 ,2000年01期
- 【分类号】TN242
- 【下载频次】99