Application of phase-conjugate beams in beam correction and underwater optical wireless communication subject to surface wave turbulence. [PDF]
Front Optoelectron, 2022 Li Q, Yuan X, Zhou F, Zhou Z, Liu W.
europepmc +1 more source
Distributed Bragg Reflector Based on Plasmonic Ag: Plasma Polymer Nanocomposites
Advanced Optical Materials, EarlyView.This paper presents a comprehensive approach for the optical design and validation of silver nanocomposite‐based Distributed Bragg Reflectors (DBRs). It describes deriving material properties (n, k) and using them to predict the performance of the deposited optical stack, as well as to characterize imperfections in the DBR deposition, or even to ...
Zdeněk Krtouš +7 more
wiley +1 more source
Optical wireless link between a nanoscale antenna and a transducing rectenna
Nature Communications, 2018 Integrating optical and electrical components for communication systems is challenging due to the differences of scale. The authors have developed an on-chip light-to-electrical wireless link between a nanoantenna and an optical rectifier, envisioned as ...
Arindam Dasgupta +5 more
doaj +1 more source
Ultra‐Flexible Dual‐Band Organic Photodetectors for Visible and Near‐Infrared Sensing
Advanced Optical Materials, EarlyView.An ultra‐flexible dual‐band organic photodetector with a total thickness of 5.6 µm for bio‐sensing is developed. It selectively detects visible and near‐infrared light with high sensitivity by switching the voltage. Peripheral oxygen saturation (SpO2) measurement is demonstrated using the device attached to a finger under a single light source by ...
Sachi Awakura +6 more
wiley +1 more source
Induced electron radiation effect on the performance of inter-satellite optical wireless communication. [PDF]
PLoS One, 2021 Youssouf AS +7 more
europepmc +1 more source
Tunable Multifunctional Terahertz Coding Metasurface for Polarization Manipulation
Advanced Photonics Research, EarlyView.Coding metasurfaces (CMs) offer versatile control over electromagnetic waves. Herein, a tunable multifunctional terahertz (THz) metasurface integrated with vanadium dioxide (VO2) is presented, enabling propagation‐phase manipulation of linearly polarized waves and hybrid‐phase control of circularly polarized waves.
Chunsheng Zhang +10 more
wiley +1 more source
Utilization of LED Grow Lights for Optical Wireless Communication-Based RF-Free Smart-Farming System. [PDF]
Sensors (Basel), 2021 Javed S, Issaoui L, Cho S, Chun H.
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Underwater optical wireless communications
, 2019 Underwater optical wireless communications (UOWC) is an exciting new field that has grasped attention from several research groups worldwide . This this aimed to conduct a profound study of thew most relevant aspects of a UOWC system. A complete simulation framework for various underwater conditions was developed, a study of different modulation ...
openaire +2 more sources
Inverse‐Designed on‐Chip Terahertz Three‐Channel Mode and Wavelength Division Demultiplexer
Advanced Photonics Research, EarlyView.An ultracompact terahertz demultiplexer is developed using a hybrid inverse design that combines genetic algorithms with topology optimization. The device enables simultaneous mode‐ and wavelength‐division multiplexing within a footprint smaller than two wavelengths.
Faqian Chong +5 more
wiley +1 more source
Reducing Personalization Time and Energy Cost While Walking Outdoors with a Portable Exosuit
Advanced Robotics Research, EarlyView.Rapid Real‐World Optimization! An AF‐based human‐in‐the‐loop optimization strategy rapidly personalizes a portable hip extension exosuit for incline walking. Real‐time Bayesian optimization of assistive force significantly reduces metabolic energy—up to 16.2%—while converging in just 3 min 24 s.
Kimoon Nam +7 more
wiley +1 more source