All-optical tunable power splitter based on a surface plasmonic two-mode interference waveguide

被引：9

作者：

Gogoi, Nilima ^{[1
]}

Sahu, Partha Pratim ^{[2
]}

机构：

[1] Duliajan Coll, Dept Phys, Duliajan 786602, Assam, India

[2] Tezpur Univ, Dept Elect & Commun Engn, Tezpur 784028, Assam, India

来源：

APPLIED OPTICS | 2018年 / 57卷 / 10期

关键词：

MULTIMODE INTERFERENCE; MMI COUPLERS; RATIO; DEVICES;

D O I：

10.1364/AO.57.002715

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we have introduced a surface plasmonic two-mode interference (SPTMI) coupler having a silicon core, GaAsInP side cladding, and silver top and bottom cladding as an optical power splitter. A wide range of tunability from the 50 : 50 splitting ratio to 1 : 99 is achieved by refractive index modulation of the GaAsInP cladding with application of varying optical pulse power. The coupling length of the SPTMI-based splitter is similar to 11.5 times less than that of a previously reported optical power splitter based on multimode waveguide holograms. The proposed optical power splitter has potential in development of large-scale integrated circuits due to its compactness and high fabrication tolerance. (c) 2018 Optical Society of America

引用

页码：2715 / 2719

页数：5

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