Proximity-coupled two-port multi-input-multi-output graphene antenna with pattern diversity for THz applications

G Varshney, S Gotra, VS Pandey… - Nano Communication …, 2019 - Elsevier
A proximity coupled graphene patch based two-port multi-input-multi-output (MIMO) antenna
with pattern diversity is implemented for THz applications. The MIMO and diversity …

Analog optical computing by half-wavelength slabs

F Zangeneh-Nejad, A Khavasi, B Rejaei - Optics Communications, 2018 - Elsevier
A new approach to perform analog optical differentiation is presented using half-wavelength
slabs. First, a half-wavelength dielectric slab is used to design a first order differentiator. The …

Scalable and reconfigurable true time delay line based on an ultra-low-loss silica waveguide

QQ Song, ZF Hu, KX Chen - Applied Optics, 2018 - opg.optica.org
A scalable and reconfigurable on-chip optical true time delay line consisting of Mach–
Zehnder interferometer (MZI) switches and delay waveguides is proposed and …

Design of an ultra-compact graphene-based integrated microphotonic tunable delay line

G Brunetti, D Conteduca, F Dell'Olio, C Ciminelli… - Optics express, 2018 - opg.optica.org
The design of a continuously tunable optical delay line based on a compact graphene-
based silicon Bragg grating is reported. High performance, in terms of electro-optical …

Ultra-compact integrated terahertz modulator based on a graphene metasurface

M Kim, S Kim, S Kim - Optics Letters, 2021 - opg.optica.org
We propose a new type of a mid-infrared ultra-compact optical modulator composed of a
graphene metasurface. Unlike the previously proposed schemes based on loss variation of …

Multi-beamforming provided by dual-wavelength true time delay PIC and multicore fiber

M Morant, A Trinidad, E Tangdiongga… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
This paper presents a multi-beamformer based on a dual-wavelength photonic integrated
circuit (PIC) and multicore fiber (MCF) capable of providing independent delay tuning to two …

Graphene‐Based Full‐Duplex Antenna for Future Generation Communication in THz Frequency Range

A Syed, MH Almalki - Journal of Computer Networks and …, 2023 - Wiley Online Library
A proximity‐coupled graphene patch‐based full‐duplex antenna is proposed for terahertz
(THz) applications. The antenna provides a 10 dB impedance bandwidth of 6.06%(1.76 …

Graphene-based fine-tunable optical delay line for optical beamforming in phased-array antennas

T Tatoli, D Conteduca, F Dell'Olio, C Ciminelli… - Applied Optics, 2016 - opg.optica.org
The design of an integrated graphene-based fine-tunable optical delay line on silicon nitride
for optical beamforming in phased-array antennas is reported. A high value of the optical …

Integrated optical delay line based on a loopback arrayed waveguide grating for radio-frequency filtering

X Wang, L Zhou, L Lu, X Wang… - IEEE Photonics Journal, 2020 - ieeexplore.ieee.org
Integrated silicon photonics provides an attractive platform for on-chip radio-frequency (RF)
signal processing. We demonstrate an integrated silicon optical delay line based on a …

Comb-like hybrid plasmonic ring resonator for large and voltage tunable group delay

RD Mishra, L Singh, S Rajput, V Kaushik… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
A nanophotonic ring resonator based on hybrid plasmonic waveguide is numerically
proposed. Introduction of a comb-like structure in the resonator results in large group delay …