基于电磁波在光子晶体耦合波导中的传输特性,建立了一个光开关模型.利用耦合模理论、平面波展开法,计算耦合介电柱不同折射率时的耦合长度.以有限时域差分法为研究工具,分析介电柱折射率为3和3.4时光波的输出状况,以及两种异质结构位置分布对光开关功能的影响.结果表明介电柱折射率为3.4时改变光开关的功能,而异质结构位置分布不改变光开关的功能.利用此特性可以在光开关的设计中有更多灵活性.
参考文献
| [1] | Yablonovitch E.Inhibited spontaneous emission in solid-state physics and electronics[J].Phys.Rev.Lett.,1987,58:2059-2062. |
| [2] | Wu H Z.Realization of ultracompact directional coupler based on photonic crystal waveguides[J].Chinese Journal of Quantum Electronics (量子电子学报),2009,26(4):494-498 (in Chinese). |
| [3] | Yu T B,Wang M H,Jiang X Q,et al.Coupling characteristics of electromagnetic wave in parallel three photonic crystal waveguides and its applications[J].Acta Physics Sinica (物理学报),,2006,55 (4):1851-1855 (in Chinese). |
| [4] | Du K.Photonic crystal channel drop filter with wavelength-selective reflection micro-cavity[J].Chinese Journal of Quantum Electronics (量子电子学报),2009,26(4):489-493 (in Chinese). |
| [5] | Ren K,Feng Z F,Ren X B.Tunable photonic band gap crystals[J].Chinese Journal of Quantum Electronics(量子电子学报),2008,25(6):649-656 (in Chinese). |
| [6] | Soffter T,Hoekstra H J W M,Ridder R M D,et al.Numerical studies of 2D photonic crystals:waveguides,coupling between waveguides and filters[J].Opt.Quan.Elec.,2000,32:947-961. |
| [7] | Maksymov I S,Marsal L F,Pallares J.Modeling of two-photon absorption in nonlinear photonic crystal all-optical switch[J].Opt.Comm.,2007,269(1):137-141. |
| [8] | Yanik M F,Fan S H,Soljacic M,et al.All-optical transistor action with bistable switching in a photonic crystal cross-waveguide geometry[J].Opt.Lett.,2003,28(24):2506-2508. |
| [9] | Mao X Y,Huang Y D,Zhang W,et al.Coupling between even and odd like modes in a single asymmetric photonic crystal waveguide[J].Appl.Phy.Lett.,2009,95:183106. |
| [10] | Sharkawy A,Shi S Y,Prather D W.Electro-optical switching using coupled photonic crystal waveguides[J].Opt.Exp.,2002,10(20):1048-1059. |
| [11] | Matinez A,Custa F,Marti J.Ultrashort 2-D photonic crystal directional couplers[J].IEEE Photon.Technol.Lett.,2003,15:694-696. |
| [12] | Custa F,Matinez A,et al.All-optical switching structure based on a photonic crystal directional coupler[J].Opt.Exp.,2004,12(1):161-167. |
| [13] | Xu X M,Li W,Miao L P,et al.The properties of a 1×4 optional power splitter made of photonic crystal waveguide[J].Chinese Journal of Luminescence (发光学报),2009,30(1):31-34 (in Chinese). |
| [14] | Dardano P,Moretti L,Mocella V,et al.Investigation of a tunable T-shaped waveguide based on a silicon 2D photonic crystal[J].J.Opt.A:Pure Appl.Opt.,2006,8:S554. |
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