Waveguide Mode Splitter Based on Multi-mode Dielectric-Loaded Surface Plasmon Polariton Waveguide

被引：7

作者：

Cai Yong-Jing ^{[1
,2
]}

Li Ming ^{[1
,2
]}

Xiong Xiao ^{[1
,2
]}

Yu Le ^{[1
,2
]}

Ren Xi-Feng ^{[1
,2
]}

Guo Guo-Ping ^{[1
,2
]}

Guo Guang-Can ^{[1
,2
]}

机构：

[1] Univ Sci & Technol China, Key Lab Quantum Informat, Hefei 230026, Peoples R China

[2] Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2015年 / 32卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Optical waveguides - Traveling wave tubes - Electromagnetic wave polarization - Photons - Phonons - Surface plasmon resonance;

D O I：

10.1088/0256-307X/32/10/107305

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In photonic integrated circuits, information is usually encoded in the optical path. In this work, based on the multi-mode dielectric-loaded surface plasmon polariton waveguide, we numerically design a directional coupler, which can divide the different waveguide eigenmodes into different optical paths. The results show a possibility to encode information onto different waveguide modes. We also experimentally demonstrate that the splitting ratio of this directional coupler structure can be tuned without changing its size.

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页数：4

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