[HTML][HTML] 120 Gbps SAC-OCDMA-OAM-based FSO transmission system: Performance evaluation under different weather conditions

M Singh, A Atieh, MH Aly, SA Abd El-Mottaleb - Alexandria Engineering …, 2022 - Elsevier
A novel 120 Gbps free space optics (FSO) transmission scheme is introduced by combining
orbital angular momentum (OAM) multiplexed signals with spectral amplitude coded (SAC) …

Numerical evaluation of bidirectional high-speed data transmission over turbulence tolerable FSO link employing WDM-OAM multiplexing and DP-QPSK modulation …

B Dutta, B Kuiri, R Atta, N Sarkar, AS Patra - Optics Communications, 2023 - Elsevier
Orbital angular momentum (OAM) mode multiplexing is achieving utmost interest for the
enhancement of transmission capacity and spectral efficiency. We have reported a (2× 8× …

UAV-assisted underwater sensor networks using RF and optical wireless links

P Agheli, H Beyranvand, MJ Emadi - Journal of Lightwave …, 2021 - opg.optica.org
Underwater sensor networks (UWSNs) are of interest to gather data from underwater sensor
nodes (SNs) and deliver information to a terrestrial access point (AP) in the uplink …

Performance enhancement of DWDM-FSO optical fiber communication systems based on hybrid modulation techniques under atmospheric turbulence channel

MR Hayal, BB Yousif, MA Azim - Photonics, 2021 - mdpi.com
In this paper, we enhance the performance efficiency of the free-space optical (FSO)
communication link using the hybrid on-off keying (OOK) modulation, M-ary digital pulse …

Constant-envelope OFDM for power-efficient and nonlinearity-tolerant heterodyne MMW-RoF system with envelope detection

P Li, L Zhu, X Zou, W Pan, H Zhang… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
The radio over fiber (RoF) system using optical heterodyne (OH) for broadband up-
conversion and envelope detection (ED) for phase-noise-insensitive down-conversion …

Generation of 40 GHz/80 GHz OFDM based MMW source and the OFDM-FSO transport system based on special fine tracking technology

K Mallick, P Mandal, R Mukherjee, GC Mandal… - Optical fiber …, 2020 - Elsevier
We have experimentally proposed and demonstrated a hybrid OFDM based optical MMW
source and OFDM-FSO transport system employing special fine tracking technology. In this …

Performance analysis of symmetrical and bidirectional 40 Gbps TWDM-PON employing m-QAM-OFDM modulation with multi-color LDs based VLC system

M Kumari, A Sheetal, R Sharma - Optical and quantum electronics, 2021 - Springer
In this work, a full-duplex time and wavelength division multiplexing-passive optical network
(TWDM-PON) system is analysed. Orthogonal frequency division multiplexing (OFDM) with …

Hybrid WDM-FSO-PON with integrated SMF/FSO link for transportation of Rayleigh backscattering noise mitigated wired/wireless information in long-reach

P Mandal, N Sarkar, S Santra, B Dutta, B Kuiri… - Optics …, 2022 - Elsevier
This paper presents a hybrid Wavelength division multiplexing-free space optics-passive
optical network for bidirectional transmission with 4× 10 Gbps downlink and 2× 10 Gbps …

Broadband optical heterodyne millimeter-wave-over-fiber wireless links based on a quantum dash dual-wavelength DFB laser

K Zeb, Z Lu, J Liu, Y Mao, G Liu… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We demonstrate real-time broadband multi-Gb/s electrical RF synthesizer-free millimeter-
wave (MMW) signals generation and wireless transmission at the 5G new radio (NR) …

Development and investigation of 5G fiber-wireless access network based hybrid 16× 10 Gbps 2048 split TWDM/DWDM super PON for IoT applications

M Kumari - Optical and Quantum Electronics, 2022 - Springer
Super-passive optical network (Super-PON) is considered as choice for the operators to
scale the transmission speed, reach, to build new infrastructure and customer aggregation of …