微纳多齿谐振光栅偏振分束器的研究
A Polarizing Beam Splitter Based on Micro-Nano Multi-Subparts Resonant Grating
DOI: 10.12677/APP.2016.612034, PDF, HTML,  被引量 下载: 2,050  浏览: 8,185  国家自然科学基金支持
作者: 吴华明*, 肖文波, 刘宪爽, 马林飞, 丁月霞, 曾 静：无损检测与光电传感技术及应用国家地方联合工程实验室、无损检测技术教育部重点实验室，江西 南昌;江西省光电检测技术工程实验室、南昌航空大学测试与光电工程学院，江西 南昌；肖永生, 黄丽贞：南昌航空大学信息工程学院，江西 南昌
关键词: 衍射光栅；偏振分束器；泄露模谐振；Diffraction and Gratings； Polarizing Beam Splitters (PBSs)； Leaky-Mode Resonance (LMR)
摘要: 由于光栅对于TE和TM偏振光表现出不同的衍射性质，据此，基于硅基微纳多齿谐振光栅，我们设计了一种高性能的偏振分束器。严格耦合波理论分析方法表明，在C + L (1.53~1.62 μm)宽谱范围内，此器件拥有衍射效率大于97%，消光比大于16 dB，以及角度带宽为8˚等的优越性能。此外，我们还考察了结构参数变化对此光栅偏振分束器性能的影响。
Abstract: Due to the different diffraction properties of gratings for TE and TM polarized wave, in this study, using the silicon based micro-nano multi-subparts resonant grating, we propose a high performance polarizing beam splitter (PBS). The properties of the grating PBS are investigated by rigorous coupled-wave analysis. It is shown that, over a broadband spectrum of 1.53 ~ 1.62μm (C + L band), the grating PBS demonstrates high diffraction efficiency (>97%) with extinction ratio (ER) greater than 16 dB and a comparatively wide angular bandwidth (about 8˚). Effects of deviation from the design parameters on the performance of the grating PBS are also presented.
文章引用：吴华明, 肖文波, 刘宪爽, 肖永生, 黄丽贞, 马林飞, 丁月霞, 曾静. 微纳多齿谐振光栅偏振分束器的研究[J]. 应用物理, 2016, 6(12): 273-280. http://dx.doi.org/10.12677/APP.2016.612034

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