Improved light coupling efficiency of organic light-emitting diode and polymer optical waveguide integrated device by grating coupler

被引：0
|
作者：
Wei Song [1 ]
Liu Chang [1 ]
Qin Houyun [1 ]
Liu Yiming [1 ]
Chen Changming [1 ]
Wang Hongbo [1 ]
Zhao Yi [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
来源：
OPTOELECTRONICS LETTERS | 2021年 / 17卷 / 10期
基金：
中国国家自然科学基金;
关键词：
FABRICATION; SU-8;
D O I：
10.1007/s11801-021-1011-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, the light coupling efficiency of organic light-emitting diode (OLED) and polymer optical waveguide integrated device was improved by the grating coupler. To maximize light coupling efficiency, the grating coupler was optimized by finite-difference time-domain (FDTD) method. Based on the simulation results, the grating coupler was fabricated via laser interference lithography process and an OLED was integrated on the surface of it. Comparing the integrated devices without and with grating coupler, light coupling efficiency of the grating-based integrated device was improved by about 5%. The proposed integrated device has the potential application for low-cost and flexible monolithic optical sensors.
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页码：598 / 603
页数：6
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