The analysis of optical transmission in three-dimensional waveguide coupler

被引：0
作者：
Lin, Tengfei [1 ]
Miao, Qingyuan [1 ]
He, Jian [2 ]
Li, Caiyun [1 ]
He, Ping-an [1 ]
机构：
[1] Wuhan Univ, Sch Elect Informat, Wuhan 430079, Peoples R China
[2] Huazhong Univ Sci & Technol, Coll Optoelect Sci & Engn, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
PHOTONICS AND OPTOLECTRONICS MEETINGS (POEM) 2011: OPTOELECTRONIC DEVICES AND INTEGRATION | 2011年 / 8333卷
基金：
中国国家自然科学基金;
关键词：
Waveguide; directional coupler; three-dimensional; FD-BPM;
D O I：
10.1117/12.919160
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Optical waveguide directional couplers can perform some very useful functions in a variety of integrated optical applications, especially when the branch arm incorporates gain. In this paper, the performance of three-dimensional active optical waveguide directional coupler is analyzed by finite-difference beam propagation method (FD-BPM). The paper analyses the impact of normalized gain difference and normalized phase difference on optical power transfer characteristics. The transmission characteristics of three-dimensional active waveguide coupler in phase matching and mismatching are discussed in detail. In addition, the influence of geometric parameters of three-dimensional waveguide coupler on the transmission characteristics is analyzed. The result of above analysis can be helpful for optimizing the active coupler designing.
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页数：6
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