Polymer multimode waveguide bend based on a multilayered Eaton lens

被引：27

作者：

Badri, S. Hadi ^{[1
]}

Saghai, H. Rasooli ^{[2
]}

Soofi, Hadi ^{[3
]}

机构：

[1] Islamic Azad Univ, Dept Elect Engn, Azarshahr Branch, Azarshahr, Iran

[2] Islamic Azad Univ, Tabriz Branch, Dept Elect Engn, Tabriz, Iran

[3] Univ Tabriz, Sch Engn Emerging Technol, Tabriz 5166616471, Iran

来源：

APPLIED OPTICS | 2019年 / 58卷 / 19期

关键词：

NANOIMPRINT LITHOGRAPHY; LUNEBURG LENS; FABRICATION; DESIGN;

D O I：

10.1364/AO.58.005219

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Reducing the bending radius of low-index-contrast waveguides is essential in reducing the size of the integrated optical components. A polymeric multimode waveguide bend is presented based on the Eaton lens. Ray-tracing calculations are utilized to truncate the Eaton lens in order to improve the performance of the bend. The truncation of the lens decreases the footprint of the bend as well. A designed waveguide bend with a radius of 18.4 mu m is implemented by a concentric cylindrical multilayer structure. Average bend losses of 0.69 and 0.87 dB are achieved for the TM0 and TM1 modes, respectively, in the C-band of optical communication. The bend loss is lower than 1 dB in a bandwidth of 1520-1675 nm for both modes. (C) 2019 Optical Society of America

引用

页码：5219 / 5224

页数：6

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