OptiFDTD應用：光柵耦合器

簡介

 

 

 

 

常規矽基絕緣平臺上的光柵耦合器

 

 

 

用於熱輔助磁記錄（GAMR）的光柵耦合器

 

 

分散式布拉格反射器（DBR）光柵耦合器及光柵反射器

 

      
 

二元閃耀光柵耦合器及雙刻蝕切址光柵耦合器
 

2D FDTD模擬
 

 

光柵耦合器設計佈局圖
 

      

 

正弦調製高斯脈衝光場設置

 

模擬結果

 

    
 

   基於線探測器所獲得的功率譜及點探測器所獲得得時域內Ey場

 

 

    
 

應用區域探測器獲得Ey方向的場強分佈（0.843um）(2D&3D)
 

參考文獻：

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     Silicon-on-Insulator(SOI)Substrates,” IEEE JQE. VOL. 38, NO. 5, 477-480 (2002);
[2] Chubing Peng, et al., "Input-grating couplers for narrow Gaussian beam: influence of groove depth," Opt. Express  12, 
     6481-6490 (2004);
[3] Huijuan Zhang, et al., "Efficient silicon nitride grating coupler with distributed Bragg reflectors," Opt. Express 22,
     21800-21805 (2014);
[4] Jinghui Zou, et al., "Ultra efficient silicon nitride grating coupler with bottom grating reflector," Opt. Express  23, 
     26305-26312 (2015);
[5] Li, H., et al. “ Large-area binary blazed grating coupler between nanophotonic waveguide and LED ,”  The Scientific
     World Journal, 1-6 (2014);
[6] Chao Li, et al. "CMOS-compatible high efficiency double-etched apodized waveguide grating coupler," Opt. Express  21, 
     7868-7874 (2013);