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Nanosystems: Physics, Chemistry, Mathematics, 2013, Volume 4, Issue 3, Pages 378–386 (Mi nano773)  
Dielectric waveguide optimization for the enhancement of TE-polarization transmission of plasmonics-based MSM-PD

Ayman Karara, Chee Leong Tanb, Kamal Alamehac, Yong Tak Leebdc

a Electron Science Research Institute, Edith Cowan University, AU
b School of Photonics Science, Gwangju Institute of Science and Technology (GIST), Gwangju, Republic of Korea
c Department of Nanobio Materials and Electronics, World Class University (WCU), GIST, Republic of Korea
d Department of Information and Communications, GIST, Republic of Korea
Full-text PDF (658 kB)
URL: https://nanojournal.ifmo.ru/en/articles-2/volume4/4-3/mam-12/paper12
Abstract: 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.
Keywords: FDTD simulation, MSM-PD, waveguide, plasmonics, nano-gratings, surface plasmon.
Bibliographic databases:
Document Type: Article
PACS: 42.25.Bs, 42.25.Ja, 73.50.Pz
Language: English
Citation: Ayman Karar, Chee Leong Tan, Kamal Alameh, Yong Tak Lee, “Dielectric waveguide optimization for the enhancement of TE-polarization transmission of plasmonics-based MSM-PD”, Nanosystems: Physics, Chemistry, Mathematics, 4:3 (2013), 378–386
Citation in format AMSBIB
\Bibitem{KarTanAla13}
\by Ayman~Karar, Chee~Leong~Tan, Kamal~Alameh, Yong~Tak~Lee
\paper Dielectric waveguide optimization for the enhancement of TE-polarization transmission of plasmonics-based MSM-PD
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2013
\vol 4
\issue 3
\pages 378--386
\mathnet{http://mi.mathnet.ru/nano773}
\elib{https://elibrary.ru/item.asp?id=19412865}
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