Highly Efficient Grating Couplers with Mode Conversion Functions

被引：0
作者：
Zhang, Meng [1 ,2 ]
Liu, Henan [1 ,2 ]
Li, Guifang [1 ,2 ,3 ,4 ]
Zhang, Lin [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Key Lab Optoelect Informat Tech Sci, Minist Educ, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Sch Precis Instruments & Optoelect Engn, Key Lab Integrated Optoelect Technol & Devices Ti, Tianjin 300072, Peoples R China
[3] Univ Cent Florida, CREOL, Coll Opt & Photon, Orlando, FL 32816 USA
[4] Univ Cent Florida, FPCE, Orlando, FL 32816 USA
来源：
INTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES XXII | 2018年 / 10535卷
关键词：
Grating coupler; few-modes fiber; mode converters; SILICON; PLATFORM; COMPACT; FIBERS;
D O I：
10.1117/12.2291342
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, we show the possibility of combining grating couplers and mode converters, both with a high efficiency. The proposed devices are very compact with no extra fabrication efforts required. We have shown that the LP01, LP11a, LPilb and LP21b modes in an optical fiber can be successfully excited directly from the proposed grating couplers, which have the fundamental mode as an input from an integrated waveguide. It is shown the overall efficiency could be as high as 50%.
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页数：7
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