Liquid-crystal-tunable metal-insulator-metal plasmonic waveguides and Bragg resonators

被引：23
|
作者：
Zografopoulos, Dimitrios C. [1 ]
Beccherelli, Romeo [1 ]
机构：
[1] CNR, IMM, I-00133 Rome, Italy
来源：
JOURNAL OF OPTICS | 2013年 / 15卷 / 05期
关键词：
surface plasmon polaritons; metal-insulator-metal waveguides; nematic liquid crystals; waveguide Bragg gratings; PHOTONICS; FILTERS; DESIGN;
D O I：
10.1088/2040-8978/15/5/055009
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The dispersive properties of liquid-crystal-tunable metal-insulator-metal plasmonic waveguides are theoretically investigated as a function of the applied control voltage. The LC reorientation study is rigorously coupled to the optical studies via a multiphysics finite-element analysis. A Bragg grating resonator is designed based on the proposed waveguide, which shows an extensive tuning efficiency of more than 100 nm V-1 for low operating voltages up to 2 V.
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页数：5
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