外加电场法制备周期极化铌酸锂工艺的众多结构参数对极化进程有潜在的影响.本文采用数值方法系统的分析了周期极化的重要结构参数的影响,这些参数包括绝缘层介电常数、绝缘层厚度、电极宽度、外加电压幅度和光栅周期.证明了对极化进程影响最为显著的是电极宽度、外加电压幅度和光栅周期,它们应该是设计极化结构时需要考虑的主要参数.相对的,绝缘层介电常数、绝缘层厚度对极化进程的影响在一定条件下可以忽略.本文由此推论了一种简洁合理的极化结构设计步骤.另外,本文得到了光栅周期与最优电极宽度的二次拟合公式,它为设计提供了依据,降低了复杂程度.
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] | Shoji I;Kondo T;Kitamoto A;Shirane M;Ito R .Absolute scale of second-order nonlinear-optical coefficients[J].Journal of the Optical Society of America, B. Optical Physics,1997(9):2268-2294. |
| [3] | 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. |
| [4] | Roseman G;Garb Kh;Skliar A;Oron M,Eger D,Katz M .Domain Broadening in Quasi-phasematched Nonlinear Devices[J].Applied Physics Letters,1998,73:865. |
| [5] | Pruneri V.;Russell PSJ.;Barr JRM.;Hanna DC.;Webjorn J. .INTRACAVITY SECOND HARMONIC GENERATION OF 0.532-MU-M IN BULK PERIODICALLY POLED LITHIUM NIOBATE[J].Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter,1995(1/3):159-162. |
| [6] | Miller G D;Batchko R G;Fejer M M;Byer R L.Visible Quasi-phasematched Harmonic Generation by Electric-field-poled Lithium Niobate[A].,1996:34. |
| [7] | Shur V;Batchko R G;Rumyantsev E L.Domain Engineering:Periodic Domain Patterning in Lithium Niobate[A].,1998:399. |
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