A Special Sampling Structure with an Arbitrary Equivalent-Phase-Shift for Semiconductor Lasers and Multiwavelength Laser Arrays

作者：Zhou Ya Ting^*; Shi Yue Chun; Li Si Min; Liu Sheng Chun; Chen Xiang Fei

来源：Chinese Physics Letters, 2011, 28(7): 074207.

DOI：10.1088/0256-307X/28/7/074207

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 0(th)-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.

• 出版日期2011-7
• 单位常州工学院; 南京大学