Compact Nanofilters Based on Plasmonics Waveguide With Archimedes’ Spiral Nanostructure

Compact Nanofilters Based on Plasmonics Waveguide With Archimedes’ Spiral Nanostructure

A compact plasmonic nanofilter based on the metal-insulator-metal (MIM) waveguide with an Archimedes’ spiral structure is proposed and demonstrated by the finite-difference time-domain (FDTD) method. The simulation results indicate that the transmission valley and peak can be tuned by the...

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Bibliographic Details
Main Authors: Yuncai Feng, Youwen Liu, Xiaohua Wang, Daxing Dong, Yaoyao Shi, Sen Hua, Huijie Zhang, Liangzun Tang
Format: Article
Language:English
Published: IEEE 2016-01-01
Series:IEEE Photonics Journal
Subjects:
Surface plasmon polaritions
filter
multichannel
Archimedes’ spiral nanostructure
Online Access:https://ieeexplore.ieee.org/document/7562491/
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Summary:A compact plasmonic nanofilter based on the metal-insulator-metal (MIM) waveguide with an Archimedes&#x2019; spiral structure is proposed and demonstrated by the finite-difference time-domain (FDTD) method. The simulation results indicate that the transmission valley and peak can be tuned by the rotation angle <italic>&theta;</italic> of the right-handed Archimedes spiral structure and the number of channels can be adjusted by number of right-handed Archimedes spiral rings. The characteristics of the transmission spectra could be explained by the resonant condition, which is in good agreement with the FDTD numerical simulation. The unique feature may have many potential applications in filter, sensor, and photonic integrated circuits.
ISSN:1943-0655

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