Numerical Investigation of SPP Propagation at the Nano-scale MDM Waveguides with a Combiner


  • Md. Ghulam Saber Islamic University of Technology
  • Rakibul Hasan Sagor Islamic University of Technology
  • Asif Al Noor Islamic University of Technology
  • Md. Thesun Al-Amin Islamic University of Technology



We present the propagation characteristics of Surface Plasmon Polariton in the nanoscale Metal-Dielectric-Metal waveguides which consist of a combiner. The propagation loss due to absorption by metal and reflection at the point of recombination are analyzed numerically. We have investigated the structure with different dielectric materials (air, aluminum gallium arsenide, gallium lanthanum sulfide) and for different wavelengths of the input signal. The wavelength dependent reflection coefficient, return loss and voltage standing wave ratio have also been reported in order to analyze the performance of the combiner.

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Author Biographies

Md. Ghulam Saber, Islamic University of Technology


Department of Electrical and Electronic Engineering

Rakibul Hasan Sagor, Islamic University of Technology

Assistant Professor

Department of Electrical and Electronic Engineering

Asif Al Noor, Islamic University of Technology


Department of Electrical and Electronic Engineering

Md. Thesun Al-Amin, Islamic University of Technology


Department of Electrical and Electronic Engineering


Additional Files



How to Cite

M. G. Saber, R. H. Sagor, A. A. Noor, and M. T. Al-Amin, “Numerical Investigation of SPP Propagation at the Nano-scale MDM Waveguides with a Combiner”, Photonics Lett. Pol., vol. 5, no. 3, pp. pp. 115–117, Sep. 2013.