Design of a maximally flat optical low pass filter using plasmonic nanostrip waveguides
Design of a maximally flat optical low pass filter using plasmonic nanostrip waveguides
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DOI：
10.1364/oe.15.015280
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发表时间：
2007-11-12
期刊：
影响因子：
3.8
通讯作者：
Massoud, Yehia
中科院分区：
文献类型：
--
作者：
Hosseini, Amir;Nejati, Hamid;Massoud, Yehia
本文提出了一种基于等离子体纳米带波导的新型光学范围低通滤波器。我们计算了等离子体纳米带波导的特性阻抗，并与微带传输线的特性阻抗进行了比较。设计了一种基于纳米带波导结构的亚波长光学范围最大平坦低通滤波器。利用时域有限差分法（FDTD）对所设计的光学距离滤波器进行了仿真，仿真结果表明该滤波器具有亚波长光限制和可接受的滤波截止性能。(c)2007年，美国光学学会。
In this paper, we present a new optical range low pass filter based on plasmonic nanostrip waveguides. We calculate the characteristic impedance of plasmonic nanostrip waveguides and compare it with that of microstrip transmission lines. An optical range maximally flat low pass filter with subwavelength dimensions is designed based on the nanostrip waveguide structure. Finite-difference time-domain (FDTD) simulations of the designed optical range filter are presented, which demonstrate subwavelength light confinement as well as acceptable filter cutoff performance. (c) 2007 Optical Society of America.