Optical fiber based temperature sensors: a review

RK Gangwar, S Kumari, AK Pathak, SD Gutlapalli… - Optics, 2023 - mdpi.com
The current generation is witnessing a huge interest in optical waveguides due to their
salient features: they are of low cost, immune to electromagnetic interference, easy to …

Development of high-speed FSO transmission link for the implementation of 5G and Internet of Things

V Dhasarathan, M Singh, J Malhotra - Wireless Networks, 2020 - Springer
Abstract Internet of Things (IoT) enables the inter-connectivity of different “things” using
which wide range of items and devices can communicate with each other and their external …

Ultra-high capacity long-haul PDM-16-QAM-based WDM-FSO transmission system using coherent detection and digital signal processing

P Sivakumar, CS Boopathi, MG Sumithra… - Optical and Quantum …, 2020 - Springer
The ever-increasing demand for wide channel bandwidth, high-speed information, and
spectral-efficient communication links with advanced modulation schemes has led to the …

FSO systems for next generation networks: A review, techniques and challenges

D Sharma, A Tripathi, M Kumari - Journal of Optical Communications, 2025 - degruyter.com
Free space optics (FSO) is considered among the emerging technological innovations which
are currently being utilized to supersede radio frequency (RF) communication because of its …

Performance comparison of 2× 20 Gbit/s-40 GHz OFDM based RoFSO transmission link incorporating MDM of Hermite Gaussian modes using different modulation …

M Singh, J Malhotra - Wireless Personal Communications, 2020 - Springer
The shortage of radio frequency spectrum for wireless communication networks has been
addressed by using millimeter wave (mm-wave) transmission in optical-wireless and Radio …

Simulative investigation of FMCW based optical photonic radar and its different configurations

A Sharma, J Malhotra - Optical and Quantum Electronics, 2022 - Springer
Intelligent transportation is becoming integral part of future smart cities where driverless
operations may provide hassle free conveyance. Photonic radar technology is one such …

Performance investigation of high-speed FSO transmission system under the influence of different atmospheric conditions incorporating 3-D orthogonal modulation …

M Singh, J Malhotra - Optical and quantum electronics, 2019 - Springer
In this paper, we report the modeling and simulative investigation of a free space optics
(FSO) transmission system using non-return to zero/differential quadrature phase shift …

Enhanced performance of the 4× 20 Gbit/s-40 GHz OFDM-based RoFSO transmission link incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian …

K Singh, M Singh, A Grover, R Miglani, H Singh… - Frontiers in …, 2022 - frontiersin.org
A 4× 20 Gbit/s-40 GHz orthogonal frequency-division multiplexing-based radio-on-free-
space optics information link, integrating hybrid wavelength-and mode-division multiplexed …

Performance comparison of different modulation schemes in high-speed MDM based radio over FSO transmission link under the effect of atmospheric turbulence …

M Singh, J Malhotra - Wireless Personal Communications, 2020 - Springer
In this work, we investigate the performance comparison of different modulation schemes
viz. non return-to-zero (NRZ), alternate mark inversion (AMI), return-to-zero differential …

Radio-over-free space optical space division multiplexing system using 3-core photonic crystal fiber mode group multiplexers

A Amphawan, S Chaudhary, TK Neo, M Kakavand… - Wireless …, 2021 - Springer
Radio over free space optics (Ro-FSO) systems have previously relied on the signal
intensity, wavelength and polarization for multiplexing data streams in order to increase to …