| 1. | After coupling the coupler , flattened gain can be attained . 二
将耦合器串接在edfa的后面，即得到平坦化的edfa增益谱。 |
| 2. | A method used for flattening the spectral response of an awg is presented based on the mspm
频谱平坦化awg器件的研究是目前的另一个热点。 |
| 3. | This paper ' s main aim is to narrate the technology and the principle of agent planation in two layers of metal process
摘要本文主要叙述了双层金属布线中介质平坦化的工艺及原理。 |
| 4. | This simple and straightforward method is used to design multiple sub gratings to obtain a flattened spectral response with a high uniformity of all channels
此方法的设计简单直观，设计得到的各通道的平坦化效果的均匀性好。 |
| 5. | However , the recent demand for immediate expansion of the fiber - optic communication window has been an area of significant interest
那么对于增大edsfs带宽及谱线平坦化的研究就显得尤为重要,而一个主要的实现方式就是在edsfs中加入滤波器。 |
| 6. | Thin - film area : the area to deposit " dielectric layer " and " metal layer " as the conducted or insulated films , also has cmp ( chemical - mechanical _ polish ) to planarize the chips on the wafer ' s surface and add high ( low ) temprature rtp ( rapid - thermal - process ) to the wafer
薄膜区：专门沉积“介电层” ， “金属层”等导电或不导电薄膜的区域，并兼做晶圆表面器件之平坦化及高（低）温快速热退火制程。 |
| 7. | The first one is an analytical method which is simple and fast . the second one is a numerical method which gives more accurate results and can be used for simulation of a complicate awg with e . g . a mmi section to flatten the spectral response
前者是一种解析的模拟方法，简单快速；后者为一种数值模拟方法，能够得到更为精确的结果，其应用范围更广，能够方便的实现对频谱平坦化awg的模拟(如mmi结构， parabolic结构等) 。 |
| 8. | The simulation and experiments indicate that these two methods are simple , fast and accurate . a new optimal design of interleaves based on cascaded mach - zehnder interferometers is also presented . as compared with the two existing methods ( digital signal processing methods and fourier filters ) , the present method is simple and intuitive
本论文分析了mach - zehnder干涉仪级联形式之间的关系，提出了通带平坦化分叉复用器的新型设计方法，与现有两种方法(应用数字滤波器设计方法以及傅立叶展开法)相比较，本文提出的设计方法直观、简单。 |
