| 1. | It has been suggested that both the nidge guide, and the strip-loaded guide can be fabricated with relaxed requirements for resolution and edge roughness .
已有人提出，如果放宽分辨本领和边缘光洁度的要求，便能制备脊形波导和条载形波导。 |
| 2. | Optical propagation characteristics of all - metal - cladding rib waveguide
全电极脊形波导光传输特性 |
| 3. | Influence of etching parameters on sidewall roughness of silicon based waveguide etched by inductively coupled plasma
脊形波导侧壁粗糙度的影响 |
| 4. | The soi single mode wave - guide with large cross - section can be realized by rib structure
Soi光波导采用脊形波导结构可实现大截面尺寸的单模传输。 |
| 5. | In the design of the switches , taking into account the experimentation condition and process in our laboratory , we choosed the oversized rib waveguide structure
在器件设计过程中，考虑到我们现有的实验条件和工艺制作方法，采用了反脊形波导结构。 |
| 6. | And we simulated the optical field ' s propagation of the ridge wave - guide , y - type embranchment wave - guide , more embranchment wave - guide and x - type embranchment wave - guide
并利用计算机模拟出了脊形波导、 y形分支波导、多分支波导及x形分支波导的光场传播图。 |
| 7. | We had fabricated the variable optical attenuator of mmi structure with ridge wave - guide structure and also studied the reactive iron etching of silicon . at last , we tested the variable optical attenuator and draw some conclusions . after testing , we can draw a conclusion that the technology parameter of the device is ideal
在分析y分支和多模干涉器型( mmi )的光学衰减器结构的基础上，采用脊形波导结构制作了mmi结构的可变光学衰减器，并对硅的刻蚀技术进行了研究和探讨，最后对制得的器件进行了测试研究。 |
| 8. | The finite difference beam propagation method ( fd - bpm ) can simulate the performance of the waveguide accurately . single mode rid waveguide structure parameters are derived by variational - effective index method ; fd - bpm and its transparent boundary condition ( tbc ) are concerned , and then the eim used to transfer a 3d waveguide to 2d waveguide is analyzed ; finally we summarize the characteristic of the y branch
本文先利用变分有效折射率法推导出满足单模传输的脊形波导结构参数;接着介绍了有限差分束传播法及求解的透明边界条件,同时分析了将三维结构转化为二维结构的有效折射率法,最后对y分支的特性进行了模拟。 |
| 9. | Silicon v - groove structure can provide fiber with high precision orientation . so the problems about how to make light into soi efficiently and coupling between multichannel waveguide devices and fibers can be solved . the coupled mode theory of single - mode fiber and ridge waveguide has been described and analyzed , and the best coupling condition is obtained
本文围绕硅v型槽的设计和制作，从理论上详细分析了单模光纤与脊形波导的模式特点，得出最佳的耦合条件，在此基础上设计出最合适的硅v型槽结构。 |
| 10. | The particularity of large - section rib waveguide with large refractive index difference in soi results in some special characteristics distinguished from other waveguides , which need elaborate explanation in theory . the large bent radius of the rib waveguide hinders the device performances from improving further , and confines the device to small channel number and simple functions
Soi材料上大折射率差脊形波导结构的特殊性带来了一些特殊的性质，必须从理论上深入地探讨；脊形波导大的弯曲半径在某种程度上制约了soi波导器件性能的提高，使得多通道、多功能器件的发展受到限制。 |
