Design of ultra-compact wavelength splitter based on lithium niobate nanowire optical waveguides

被引：0
|
作者：
Chen Ming [1 ]
Liu Zi-chen [2 ]
机构：
[1] Xian Univ Posts & Telecommun, Sch Elect Engn, Xian 710121, Shaanxi, Peoples R China
[2] Wuhan Res Inst Posts & Telecommun, Wuhan 430074, Hubei, Peoples R China
来源：
OPTOELECTRONICS LETTERS | 2012年 / 8卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1007/s11801-012-1119-y
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A wavelength splitter with ultra-compact and simple structure is proposed and analyzed by using both plane wave expansion (PWE) method and finite difference time domain (FDTD) method. The device is based on directional coupling between two parallel lithium niobate (LiNbO3, LN) nanowire optical waveguides. The wavelength splitter with a coupling region length of 5 mu m can separate 1.31 mu m and 1.55 mu m wavelengths for corresponding outputs with transmittance higher than 97%.
引用
收藏
页码：17 / 20
页数：4
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