A Nanoscale Plasmonic Long-Wavelength Cutoff Filter

Author

Zhu, Jia Hu ; Huang, Xu Guang ; Tao, Jin ; Mei, Xian

Author_Institution

Key Lab. of Photonic Inf. Technol., Guangzhou Univ., Guangzhou, China

Volume

10

Issue

4

fYear

2011

fDate

7/1/2011 12:00:00 AM

Firstpage

817

Lastpage

821

Abstract

A nanoplasmonic cutoff filter consisting of two straight metal-insulator-metal waveguides connected with two symmetrical rectangular cavities (“+” type) is proposed and numerically simulated by using the finite difference time domain method with a perfectly matched layer absorbing boundary condition. The simulation demonstrates that the cutoff filter has characteristic of long-wavelength cutoff in the transmission spectrum. The cutoff wavelength increases with the increase of the two rectangular cavities length or the decrease of the width of the two rectangular cavities.

Keywords

MIM devices; finite difference time-domain analysis; nanoelectronics; optical waveguide filters; plasmonics; rectangular waveguides; waveguide filters; finite difference time domain method; nanoscale plasmonic long-wavelength cutoff filter; perfectly matched layer absorbing boundary condition; straight metal-insulator-metal waveguides; symmetrical rectangular cavity; transmission spectrum; Cavity resonators; Metals; Optical filters; Optical waveguides; Optimized production technology; Plasmons; Surface waves; Integrated optics devices; metal–insulator–metal (MIM) waveguide; surface plasmons; wavelength filtering;

fLanguage

English

Journal_Title

Nanotechnology, IEEE Transactions on

Publisher

ieee

ISSN

1536-125X

Type

jour

DOI

10.1109/TNANO.2010.2080318

Filename

5582298