Variable Optical Attenuator Based on Long-Range Surface Plasmon Polariton Multimode Interference Coupler

被引：14
|
作者：
Sun, Xiaoqiang [1 ]
Xie, Ying [1 ]
Liu, Tong [1 ]
Chen, Changming [1 ]
Wang, Fei [1 ]
Zhang, Daming [1 ]
机构：
[1] Jilin Univ, State Key Lab Integrated Optoelect, Changchun 130012, Jilin, Peoples R China
来源：
JOURNAL OF NANOMATERIALS | 2014年 / 2014卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
WAVE-GUIDES; IMAGE-FORMATION; DEVICES; RESONANCE;
D O I：
10.1155/2014/394976
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The fabrication and characterization of a thermal variable optical attenuator based on long-range surface plasmon polariton (LRSPP) waveguide with multimode interference architecture were investigated. The surface morphology and waveguide configuration of Au stripe were studied by atomic force microscopy. The fluctuation of refractive index of poly(methyl-methacrylate- glycidyl-methacrylate) polymer cladding was confirmed to be less than 3 x 10(-4) within 8 h curing at 120 degrees C. The end-fire excitation of LRSPP mode guiding at 1550 nm along Au stripe indicated that the extinction ratio of attenuator was about 12 dB at a driving power of 69 mW. The measured optical rise time and fall time are 0.57 and 0.87ms, respectively. These favorable properties promise potentials of this plasmonic device in the application of optical interconnection.
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收藏
页数：9
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