Results 91 to 100 of about 49,464 (289)

Finite Element simulation of radiation losses in photonic crystal fibers

, 2007
In our work we focus on the accurate computation of light propagation in finite size photonic crystal structures with the finite element method (FEM).
Burger, Sven, Klose, Roland, Pomplun, Jan, Schmidt, Frank, Zschiedrich, Lin   +4 more
core   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Orientation Engineering of MXene Flakes

Advanced Materials, EarlyView.
Orientation engineering of MXene flakes refers to the transformation of disordered MXene flakes into ordered architectures with optimized multiphysical transport properties. Focusing on this topic, this review outlines key principles, characterization, fabrication strategies, and advanced applications of oriented MXene structures.
Yizhou Wang, Shuo Li, Tianchao Guo, Dekang Zhu, Ning Chu, Noor Albar, Dana Alsulaiman, Husam N. Alshareef   +7 more
wiley   +1 more source

1 × 3 Optical Drop Multiplexer for FTTH Applications Based on Photonic Crystal Fiber

Photonics
This paper proposes a novel photonic crystal fiber-based 1 × 3 optical drop multiplexer design. According to numerical simulations, optical signals can be injected on the left core and divided into another core at various distances to separate the ...
Mohammed Debbal, Mohammed Chamse Eddine Ouadah, Ahlem Assia Harrat   +2 more
doaj   +1 more source

Design and numerical analysis of microstructured-core octagonal photonic crystal fiber for sensing applications

Sensing and Bio-Sensing Research, 2016
This paper presents an octagonal photonic crystal fiber (O-PCF) for liquid sensing, in which both core and cladding are microstructured. Some propagation characteristics of proposed structure have been investigated by using the full vectorial finite ...
Kawsar Ahmed, Monir Morshed
doaj   +1 more source

Non‐Continuous Iridescent Variable Structural Color Based on Metallic Surface Periodic Structures

Advanced Materials Interfaces, EarlyView.
This study presents an ink‐free laser nanofabrication technique that generates periodic arched microstructures on titanium surfaces, achieving non‐continuous iridescent dual‐color switching. The ridge and side flanks of these structures possess distinct oxide film thicknesses, enabling angle‐dependent selective reflection of specific wavelengths.
XiangWei Liu, XiaoSong Yu, Jiao Geng, LiPing Shi   +3 more
wiley   +1 more source

Continuously wavelength-tunable high harmonic generation via soliton dynamics

, 2017
We report generation of high harmonics in a gas-jet pumped by pulses self-compressed in a He-filled hollow-core photonic crystal fiber through the soliton effect. The gas-jet is placed directly at the fiber output.
Frosz, Michael H., Russell, Philip St. J., Tani, Francesco, Travers, John C.   +3 more
core   +1 more source

Design and simulation of a highly sensitive photonic crystal fiber sensor for malaria detection

Results in Optics
This research focuses on developing an innovative optical sensor utilizing photonic crystal fiber with a unique cladding structure. The photonic crystal fiber’s cladding consists of four layers of circular air holes, with two of them filled with ...
Ilhem Mired, Hicham Chikh-Bled, Mohammed Debbal   +2 more
doaj   +1 more source

Advances in Halide Perovskites for Photon Radiation Detectors

Advanced Materials Technologies, EarlyView.
This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang, Jieqi Wang, Xiaojun Cui, Carsten Ronning   +3 more
wiley   +1 more source

Predicting macrobending loss for large-mode area photonic crystal fibers

, 2004
We report on an easy-to-evaluate expression for the prediction of the bend-loss for a large mode area photonic crystal fiber (PCF) with a triangular air-hole lattice. The expression is based on a recently proposed formulation of the V-parameter for a PCF
Albertsen, M., Bjarklev, A., Bonacinni, D., Folkenberg, J. R., Mortensen, N. A., Nielsen, M. D.   +5 more
core   +1 more source