Prospects of photonic crystal fiber for analyte sensing applications: an overview

M De, TK Gangopadhyay… - Measurement Science and …, 2020 - iopscience.iop.org
The detection and monitoring of physical, chemical and biomedical parameters are
increasingly reliant on fiber-optic sensing technology. Of applicable optical methods …

Adaptive stochastic parallel gradient descent approach for efficient fiber coupling

Q Hu, L Zhen, Y Mao, S Zhu, X Zhou, G Zhou - Optics Express, 2020 - opg.optica.org
In high-speed free-space optical communication systems, the received laser beam must be
coupled into a single-mode fiber at the input of the receiver module. However, propagation …

Coupling efficiency of multimode beam to fiber in atmospheric turbulence

MC Gökçe, Y Baykal, Y Ata - Journal of Quantitative Spectroscopy and …, 2023 - Elsevier
Atmospheric turbulence causes wavefront distortions in the propagated laser beam. By the
beam shaping of the transmitted laser, wavefront distortions can be mitigated effectively. In …

All-fiber photonic lantern multimode optical receiver with coherent adaptive optics beam combining

B Zhang, J Sun, C Lao, CH Betters, A Argyros… - arXiv preprint arXiv …, 2021 - arxiv.org
A multimode optical receiver for free space optical communications (FSOC) based on a
photonic lantern and adaptive optics coherent beam combining (CBC) of the lantern's single …

Performance enhancement of free-space optical communications under atmospheric turbulence using modes diversity coherent receipt

D Zheng, Y Li, H Zhou, Y Bian, C Yang, W Li, J Qiu… - Optics …, 2018 - opg.optica.org
This paper numerically and experimentally investigates the performance of free-space
optical receiver using modes diversity coherent receipt under moderate-to-strong …

Few-mode fiber coupling efficiency for free-space optical communication

X Fan, D Wang, J Cheng, J Yang, J Ma - Journal of Lightwave …, 2021 - opg.optica.org
Few-mode fiber is a significant component of free-space optical communication at the
receiver to obtain achievable high coupling efficiency. A theoretical coupling model from the …

2× 2-channel mode-wavelength division multiplexing in Ro-FSO system with PCF mode group demultiplexers and equalizers

A Amphawan, S Chaudhary, Z Ghassemlooy… - Optics …, 2020 - Elsevier
This paper presents a 2× 2 channel mode-wavelength division multiplexing (MWDM)
scheme for a radio-over-free-space optics (Ro-FSO) system. The key features of the MWDM …

Wide range refractive index sensor using a birefringent optical fiber

M De, VK Singh - Optical and Quantum Electronics, 2021 - Springer
In this article, an efficient high birefringent D-shaped photonic crystal fiber (HB-D-PCF)
plasmonic refractive index sensor is reported. It is able to work over a long low refractive …

[HTML][HTML] Aiming for high-capacity multi-modal free-space optical transmission leveraging complete modal basis sets

Z Hu, Y Li, Z Chen, DM Benton, AAI Ali, M Patel… - Optics …, 2023 - Elsevier
Free-space optical (FSO) communication has gained much interest due to its capability of
providing not only a cost-efficient solution where the optical fiber is too expensive or too …

Starlight coupling through atmospheric turbulence into few-mode fibres and photonic lanterns in the presence of partial adaptive optics correction

M Diab, AN Dinkelaker, J Davenport… - Monthly Notices of …, 2021 - academic.oup.com
Starlight corrupted by atmospheric turbulence cannot couple efficiently into astronomical
instruments based on integrated optics as they require light of high spatial coherence to …