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Design and Numerical Analysis of a High-Quality Factor Plasmonic 1 × 3 Demultiplexer Based on MIM Waveguides | ||
| IRAQI JOURNAL OF COMPUTERS, COMMUNICATIONS, CONTROL AND SYSTEMS ENGINEERING | ||
| Volume 26, Issue 1, April 2026 PDF (12.28 M) | ||
| Document Type: Research Paper | ||
| DOI: https://doi.org/10.33103/2617-3352.1516 | ||
| Authors | ||
| Karrar A. Kzar* 1; Ahmed Ghanim Wadday2; Sinan M. Abdul Sattar3 | ||
| 1Department of Electrical Engineering, University of Technology, Baghdad, Iraq | ||
| 2Technical Engineering College, Al-Furat Al-Awsat Technical University (ATU), Kufa, Iraq | ||
| 3Electrical Engineering Department, University of Technology-Iraq, Baghdad, Iraq | ||
| Abstract | ||
| This study aims to design plasmonic filters as essential components in photonic integrated circuits,based on surface plasmon polaritons (SPPs).Surface plasmon polaritons (SPPs) are electro- magnetic waves that are transmitted at metal-insulator boundaries.Optical apparatuses founded on SPPs have been widely planned too deliberate because of their outstanding possessions, like beat the diffraction limit and treatment light at subwavelength range and at high speed in minor constructions. Design and analyzing a compact 1 ×3 optical demultiplexer in a plasmonic nano structure be also designed utilize the finite element method (FEM), and the suggested structure was arithmetically simulated utilize COMSOL Multiphysics 5.6 software. This construction con- tains of three square-ring-shaped resonators, designed utilize silver as the conductor and air as the dielectric, respectively. Its dimensions are (3000 ×1200) nm2, and it activates in the wavelength channels (1100, 1650, and 960) nm. The results acquired from the designed plasmonic demultiplexer show a full- width at half-maximum (FWHM) of (13.8, 22, and 16) nm, respectively, through a high quality factor of (79.7, 75, and 60). Due to the adequate size of the proposed demultiplexer, it is possible to use it in optical communication integrated circuits. This paper investigates plasmonic filters as key components in photonic integrated circuits. | ||
| Keywords | ||
| Surface plasmon polaritons; Finite element method; Quality factor; Full; Width half- maximum | ||
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