本文采用有限元方法分析外加电场法对铁电体进行周期极化时的电场分布,讨论尖端效应对极化的影响,比较两种不同的电极设计方案-梳形电极和框形电极的优劣.分析了多周期光栅同时极化时的电场分布,推断了大周期与小周期之间存在的竞争现象.本文最后对光刻造成周期电极的断条、毛刺工艺缺陷和液体电极方案的残留气泡缺陷进行了探讨.数值计算得出的结论比较圆满地解释了实验中的许多现象.
参考文献
[1] | Armstrong J A;Bloembergen N;Ducuing J;Pershan P S .Interactions between Light Waves in a Nonlinear Dielectric[J].Physical Review,1962,127:1918. |
[2] | Yamada M;Nada N;Saitoh M;Watanabe K .First-order Quasi-phase Matched LiNbO3 Waveguide Periodically Poled by Applying an External Field for Efficient Blue Second-harmonic Generation[J].Applied Physics Letters,1993,62:435. |
[3] | Miller G D;Batchk R G;Batchko;Fejer M M,Byer R L.Visible Quasi-phasematched Harmonic Generation by Electric-field-poled Lithium Niobate[A].,1996:34-35. |
[4] | Muttulrishnan Rajarajan;Themistos C;Azizur Rahman B M .Characterization of Metal-clad TE/TM Mode Splliters Using the Finite Element Method[J].Journal of Lightwave Technology,1997,15(12):2265-2269. |
[5] | Themistos C.;Rahman B.M.A. .Finite element analysis for lossy optical waveguides by using perturbation techniques[J].IEEE Photonics Technology Letters,1994(4):537-539. |
[6] | 纪磊,于建,薛挺,桑梅,李世忱.金属包覆平板波导模式特性的有限元法分析[J].光电子·激光,2003(02):131-135. |
[7] | 纪磊,于建,薛挺,杨天新,桑梅,李世忱.5层金属包覆介质波导的模式特性研究[J].光电子·激光,2004(04):432-438. |
[8] | 刘付德,杨百屯,屠德民,刘耀南.固体电介质的电老化与击穿新理论和实验[J].物理学报,1992(02):333-341. |
[9] | Shur V;Batchko R G;Rumyantsev E L.Domain Engineering:Periodic Domain Patterning in Lithium Niobate[A].,1998:399-405. |
[10] | Venkatraman Gopalan;Terence Mitchell E .In Situ Video Observation of 180° Domain Switching in LiTaO3 by Electro-optic Imaging Microscopy[J].Journal of Applied Physics,1999,85(04):2304-2311. |
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