A Special Sampling Structure with an Arbitrary Equivalent-Phase-Shift for Semiconductor Lasers and Multiwavelength Laser Arrays
A Special Sampling Structure with an Arbitrary Equivalent-Phase-Shift for Semiconductor Lasers and Multiwavelength Laser Arrays
复制标题
半导体激光器和多波长激光阵列的任意等效相移特殊采样结构
DOI:
10.1088/0256-307x/28/7/074207
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发表时间:
2011-06
影响因子:
3.5
通讯作者:
Liu Sheng-Chun
中科院分区:
文献类型:
--
作者:
Li Si-Min;Chen Xiang-Fei;Zhou Ya-Ting;Shi Yue-Chun;Liu Sheng-Chun
A method used to introduce an arbitrary equivalent-phase-shift (EPS) into an asymmetric sampled Bragg grating (SBG) is reported. Under the same structural parameters except for the sampling pattern, the asymmetric SBG offers better performance than that of a normal SBG structure for keeping single-longitudinal-mode (SLM) operation. This is because the proposed sampling pattern can suppress the 0th-order light resonance due to the mismatch between the two different grating sections along the whole SBG. This method can be used to design and fabricate semiconductor lasers and multiwavelength laser arrays (MLAs) with the required EPS at high yield and low cost.
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