Differential coding scheme based FSO channel for optical coherent DP-16 QAM transceiver systems

S Urooj, NM Alwadai, V Sorathiya… - Journal of Optical …, 2024 - degruyter.com
This article has indicated optical coherent differential polarization (DP) 16 quadrature
amplitude modulation (QAM) transceiver systems with free-space optical (FSO) channel in …

CWDM communication system based inline erbium-doped fiber amplifiers with the linear geometrical polarization model

MMA Eid, V Sorathiya, S Lavadiya, J Parmar… - Journal of Optical …, 2021 - degruyter.com
Optical fiber coarse wavelength division multiplexing (CWDM) with erbium-doped fiber inline-
amplifiers for the linear polarization geometrical model is studied in this paper for fiber …

Graphene-based metasurface solar absorber design for the visible and near-infrared region with behavior prediction using Polynomial Regression

SK Patel, J Surve, J Parmar, V Katkar, R Jadeja… - Optik, 2022 - Elsevier
The broadband graphene absorber designs for a visible and near-infrared (NIR) regime is
developed in the study. The gold resonator is placed over an MgF 2 substrate which is …

Tunable and highly sensitive graphene-based biosensor with circle/split ring resonator metasurface for sensing hemoglobin/urine biomolecules

J Parmar, SK Patel - Physica B: Condensed Matter, 2022 - Elsevier
We propose a graphene-based biosensor for achieving a good sensitivity to detect
hemoglobin and urine biomolecules of different concentrations. Graphene-based design …

Design of graphene metasurface based sensitive infrared biosensor

SK Patel, J Parmar, YP Kosta, M Ladumor… - Sensors and Actuators A …, 2020 - Elsevier
The article investigates graphene metasurface based infrared biosensor. Graphene
metasurface perturbations are added in the Si 3 N 4 waveguide to create leaky wave …

Numerical investigation of graphene-based efficient and broadband metasurface for terahertz solar absorber

R Jadeja, S Charola, SK Patel, J Parmar… - Journal of Materials …, 2020 - Springer
Graphene-based efficient metasurface solar absorber is presented. Graphene monolayer
sheet is integrated over silicon dioxide dielectric layer to improve the bandwidth and achieve …

Sensitivity analysis of metasurface array-based refractive index biosensors

SK Patel, J Parmar, RB Zakaria, A Sharafali… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
This work intends for sensitivity analysis of different metasurface array-based biosensors.
The array designs in the form of circle array, square array, square circle array, circle square …

Graphene-based highly sensitive refractive index biosensors using C-shaped metasurface

SK Patel, J Parmar, YP Kosta, S Charola… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
In this work, graphene-based metasurface infrared biosensors are presented. The C-shaped
tungsten metasurface is placed over graphene material to achieve higher sensitivity. The …

Broadband metamaterial-based near-infrared absorber using an array of uniformly placed gold resonators

SK Patel, J Parmar, D Katrodiya, TK Nguyen… - JOSA B, 2020 - opg.optica.org
Solar absorbers are designed for absorbing visible, infrared, and ultraviolet frequencies.
Most of the absorbers designed so far have been for absorbing visible frequencies, and …

Highly sensitive graphene-based refractive index biosensor using gold metasurface array

SK Patel, J Parmar, H Trivedi, R Zakaria… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
In this letter, a highly sensitive refractive index biosensor applicable in medical devices is
proposed. The biosensor design is analyzed for different concentrations of hemoglobin …