• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Optical and quantum electronics >Design and modelling of the photonic crystal fano structure for all optical switching applications
【24h】

Design and modelling of the photonic crystal fano structure for all optical switching applications

机译：所有光交换应用的光子晶体扇​​形结构的设计和建模

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In this paper, the optical Fano switch based on the 2D slab photonic crystal is analyzed. Switching characteristics are improved by manipulating the Q factors of cavities. Modified device with enhanced Fano resonance has lower energy consumption than other previous optical switches. Results show that, the switching contrast is enhanced while the quality factor has remained in its highest value. Therefore, the typical important trade off between switching contrast and quality factor has vanished in the modified structure. The switching contrast is improved from 7 to 34db in constant Delta lambda peak-peak of 0.3nm in the modified structure which leads to decreasing the energy consumption of the device. In the previous devices, the maximum reported contrast is about 20db for Delta lambda peak-peak of 0.6nm. A coupled mode theory for analyzing the structure is developed. The results of finite difference time domain numerical simulation are in good agreement with the theoretical coupled mode theory. Results show that the switching contrast of the modified Fano switch is enhanced two times, consequently the loss is suppressed and the bandwidth is improved.
机译：本文分析了基于二维平板光子晶体的光学Fano开关。通过控制腔的Q因子可以改善开关特性。具有改进的Fano共振的改进型设备比其他以前的光学开关具有更低的能耗。结果表明，在品质因数保持最高值的同时，切换对比度得到了增强。因此，在修改后的结构中，切换对比度和品质因数之间的典型重要权衡已消失。在改进的结构中，恒定的Deltaλ峰峰值为0.3nm时，开关对比度从7db提高到34db，从而降低了器件的能耗。在以前的设备中，对于Delta lambda峰峰值为0.6nm的最大报告对比度约为20db。提出了一种用于结构分析的耦合模理论。时域有限差分数值模拟的结果与理论耦合模态理论吻合良好。结果表明，改进后的Fano开关的开关对比度提高了两倍，从而抑制了损耗并提高了带宽。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号