Implementation of a subwavelength Bragg reflector for Terahertz applications

Vikas Singal, Sami Smaili, Yehia Massoud

Research output: Chapter in Book/Report/Conference proceedingConference contribution


In recent years, the usage of the Terahertz (THz) portion of the electromagnetic spectrum has been investigated in the field of communications, medicine and biology. The evaluation of the THz wave performance in the applications requires supportive THz based devices such as emitter, detectors and filters. The efficient integration of the THz devices with the state of the art silicon based devices is limited by its typical diffraction limit (millimeters). In this abstract, a subwavelength Surface Plasmon Polaritons (SPPs) based Bragg reflector is using Indium antimonide (InSb), Silicon-dioxide (SiO 2) and Porous-SiO 2, is proposed. The SPPs based wave propagation at THz allows the nanoscale realization of the THz based devices. The proposed plasmonic Bragg reflector utilizes the periodic changes of the dielectric material in the core layer, while InSb is used in the cladding layer. Finite Element Method (FEM) based simulations are used to demonstrate the working of the proposed subwavelength Bragg reflector. © 2012 IEEE.
Original languageEnglish (US)
Title of host publication2012 7th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2012
Number of pages5
StatePublished - Jun 1 2012
Externally publishedYes

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