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Updated: Jun 10, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
Published on: March 20, 2017
Broadband extraordinary transmission in a single sub-wavelength aperture
Wenxuan Tang1, Yang Hao, Francisco Medina
1Department of Electronic Engineering, Queen Mary University of London, Mile End Road, London E1 4NS, UK.
Abstract:
Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single sub-wavelength slit. The proposed device has a broadband feature and can be applied from microwave to visible frequency bands. Finite-Difference Time-Domain (FDTD) simulations are used to verify the device's performance. The results show that significantly increased transmission is achieved through the sub-wavelength aperture from 4 GHz to 8 GHz when the device is applied. In contrast with previously reported systems, the frequency sensitivity of the new device is very low.
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