najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМОnajo-1308Research ArticlePAPERS, PRESENTED AT MAM-12PAPERS, PRESENTED AT MAM-12Dielectric Waveguide Optimization for the Enhancement of TE-Polarization Transmission of Plasmonics-Based MSM-PDKararAyman

Electron Science Research Institute

a.karar@ecu.edu.auTanChee Leong

School of Photonics Science

Gwangju

ccheelong@gist.ac.krAlamehKamal

Electron Science Research Institute, AU; 

Department of Nanobio Materials and Electronics, World Class University (WCU), GIST, Republic of Korea

k.alameh@ecu.edu.auLeeYong Tak

School of Photonics Science, GIST; Department of Information and Communications, GIST; Department of Nanobio Materials and Electronics, World Class University (WCU), GIST

Gwangju

ytlee@gist.ac.krEdith Cowan UniversityAustraliaGwangju Institute of Science and Technology (GIST)Korea, Republic ofEdith Cowan University; Gwangju Institute of Science and Technology (GIST)Australia20132108202543378386Copyright © Karar A., Tan C.L., Alameh K., Lee Y.T., 20252025Karar A., Tan C.L., Alameh K., Lee Y.T.Karar A., Tan C.L., Alameh K., Lee Y.T.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1308

In this paper, we use the finite difference time-domain (FDTD) method to optimize the TE-polarized light transmission of a metal-semiconductor-metal photodetector (MSM-PD) employing a dielectric waveguide on top of metal nano-gratings. Simulation results demonstrate that the funneling transmission of the TE-polarized light through the nanoslit of the MSM-PD structure is highly dependent on the structure geometries, such as the waveguide and nano-grating heights. We also demonstrate that adding a dielectric waveguide layer on top of the nano-metal gratings supports both the TM- and TE polarizations, and enhances the light transmission for TE-polarization around 3-times in comparison with conventional plasmonics MSM- PD structures.

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The authors declare that there are no conflicts of interest present.