3 citations · 8 across the 11 of their papers we have counts for
12 papers
Broad Angle Resolver for THz Band
Yasith Amarasinghe, Yaseman Shiri, Hichem Guerboukha +3
Terahertz (THz) communication systems hold immense potential for high-speed data transfer across various domains yet face challenges due to directionality constraints because of fr…
Wavefront Engineering: Realizing Efficient Terahertz Band Communications in 6G and Beyond
Arjun Singh, Vitaly Petrov, Hichem Guerboukha +4
Terahertz (THz) band communications is envisioned as a key technology for future wireless standards. Substantial progress has been made in this field, with advances in hardware des…
Absolute Security in High-Frequency Wireless Links
Alejandro Cohen, Rafael G. L. D'Oliveira, Chia-Yi Yeh +6
Security against eavesdropping is one of the key concerns in the design of any communication system. Many common considerations of the security of a wireless communication channel…
Photonic Crystal Terahertz Leaky-Wave Antenna
Hichem Guerboukha, Jingwen Li
Current wireless systems are experiencing unprecedented pressure that could be relieved by shifting carrier frequencies towards the terahertz spectrum. Yet, components are required…
Dispersion Limited versus Power Limited Terahertz Transmission Links Using Solid Core Subwavelength Dielectric Fibers
Kathirvel Nallappan, Yang Cao, Guofu Xu +3
In this work, we present an in-depth experimental and numerical study of the short-range THz communications links that use subwavelength dielectric fibers for information transmiss…
Super-resolution Orthogonal Deterministic Imaging Technique for Terahertz Subwavelength Microscopy
Hichem Guerboukha, Yang Cao, Kathirvel Nallappan +1
Terahertz subwavelength imaging aims at developing THz microscopes able to resolve deeply subwavelength features. To improve the spatial resolution beyond the diffraction limit, a…
3D-printed Terahertz Photonic Bandgap Waveguide-based Fluidic Sensor
Yang Cao, Kathirvel Nallappan, Hichem Guerboukha +2
A Bragg waveguide-based resonant fluidic sensor operating in THz band is studied. A fused deposition modeling 3D printing technique is employed to fabricate the sensor where the li…
Statistical models for averaging of the pump-probe time traces: example of denoising in terahertz time domain spectroscopy
M. Skorobogatiy, J. Sadasivan, H. Guerboukha
In this paper, we first discuss the main types of noise in a typical pump-probe system, and then focus specifically on terahertz time domain spectroscopy (THz-TDS) setups. We then…
Channel Multiplexing in Wireless Terahertz Communications Using Orbital Angular Momentum States
Kathirvel Nallappan, Hichem Guerboukha, Mohamed Seghilani +3
We present design and experimental validation of the system for the generation of the Orbital Angular Momentum (OAM) states using 3D-printed low-loss metamaterial phase plates for…
Exploiting k-space - frequency duality in Fourier optics towards real-time compression-less terahertz imaging
Hichem Guerboukha, Kathirvel Nallappan, Maksim Skorobogatiy
We present theoretical formulation and experimental demonstration of a novel technique for the fast compression-less terahertz imaging based on the broadband Fourier optics. The te…
Live Streaming of the Uncompressed HD and 4K Videos Using Terahertz Wireless Links
Kathirvel Nallappan, Hichem Guerboukha, Chahé Nerguizian +1
Taming the Terahertz waves (100 GHz-10 THz) is considered the next frontier in wireless communications. While components for the ultra-high bandwidth Terahertz wireless communicati…
A Dynamically Reconfigurable Terahertz Array Antenna for Near-field Imaging Applications
Kathirvel Nallappan, Jingwen Li, Hichem Guerboukha +4
A proof of concept for high speed near-field imaging with sub-wavelength resolution using SLM is presented. An 8 channel THz detector array antenna with an electrode gap of 100 um…