The Directional Coupler on The Basis of The Runway Type Photonic Crystal Waveguide

CUI Nai-di; KOU Jie-ting; LIANG Jing-qiu; WANG Wei-biao; GUO Jin; FENG Jun-bo; TENG Jie

doi:10.3788/fgxb20133403.0375

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The Directional Coupler on The Basis of The Runway Type Photonic Crystal Waveguide

更新时间：2020-08-12

- The Directional Coupler on The Basis of The Runway Type Photonic Crystal Waveguide
- Chinese Journal of Luminescence Vol. 34, Issue 3, Pages: 375-381(2013)
- 作者机构：
  
  1. 中国电子科技集团公司第三十八研究所,安徽合肥,230088
  2. 中国科学院合肥智能机械研究所,安徽合肥,230031
  3. 中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133403.0375
  CLC： O436
- Received：24 December 2012，
  
  Revised：19 January 2013，
  
  Published：10 March 2013
- 稿件说明：
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崔乃迪, 寇婕婷, 梁静秋, 王维彪, 郭进, 冯俊波, 滕婕. 跑道型结构光子晶体波导定向耦合器[J]. 发光学报, 2013,34(3): 375-381

CUI Nai-di, KOU Jie-ting, LIANG Jing-qiu, WANG Wei-biao, GUO Jin, FENG Jun-bo, TENG Jie. The Directional Coupler on The Basis of The Runway Type Photonic Crystal Waveguide[J]. Chinese Journal of Luminescence, 2013,34(3): 375-381
崔乃迪, 寇婕婷, 梁静秋, 王维彪, 郭进, 冯俊波, 滕婕. 跑道型结构光子晶体波导定向耦合器[J]. 发光学报, 2013,34(3): 375-381 DOI： 10.3788/fgxb20133403.0375.

CUI Nai-di, KOU Jie-ting, LIANG Jing-qiu, WANG Wei-biao, GUO Jin, FENG Jun-bo, TENG Jie. The Directional Coupler on The Basis of The Runway Type Photonic Crystal Waveguide[J]. Chinese Journal of Luminescence, 2013,34(3): 375-381 DOI： 10.3788/fgxb20133403.0375.

摘要

鉴于波导定向耦合器在集成光路以及光电集成方面的广泛应用

提出了一种基于光子晶体波导间高效耦合的光子晶体定向耦合器。通过主波导和耦合波导间的耦合

可以实现对波长为1 490 nm和1 550 nm电磁波的高效分光。在将器件长度控制在30 m左右的同时

其总效率高达93.05%。另外

发现主波导和耦合波导间介质柱结构参数对电磁波的耦合周期有着极大的影响。并通过将介质柱沿

方向拉伸0.1

(

为晶格周期)

设计了工作波长为1 530 nm和1 540 nm的光子晶体定向耦合器

器件长度仅为60 m。通过拉伸介质柱的纵向长度

可以大幅减小耦合周期

这对缩小器件体积以及实现更为密集的波分复用有着重要的意义。

Abstract

Considering the significant value of the directional coupler on the integrated optical circuit and optical electronic integrated circuits

two dimensional photonic crystal directional coupler depended on the photonic crystal waveguide was designed.

Via

the coupling between the bus waveguide and the coupling waveguide

the high efficiency beam splitter of the electromagnetic wave with the wavelength of 1 490 nm and 1 550 nm was realized. The transmission efficiency reached about 93.5%

and the length of the device can be controlled under 30 m. In addition

it was found that the coupling period was sensitive to the structure parameters of the rods located between the bus waveguide and the coupling waveguide. By stretching the length of the rods to about 0.1

(

is the lattice period) along

direction

the directional coupler with the working wavelength of 1 490 nm and 1 550 nm was designed. The length of the device was about 60 m

which was much shorter than that without optimizing. The coupling period can be dramatically shorten by stretching the longitudinal length of the rods

which is of crucial value on the decreasing the volume of the device and the achievement of the denser wavelength division multiplexing.

关键词

Keywords

references

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