Results 41 to 50 of about 13,423 (265)
Modeling the optical properties of twisted bilayer photonic crystals
Light: Science & Applications, 2021 The twisted bilayer photonic crystals have near-zero group velocity over the Bouillon zone and provide access to light localization that is far out of the reach of conventional photonic crystals.
Haoning Tang +5 more
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A Brief Review on Nonlinear Photonic Crystals Induced by Direct Femtosecond Laser Writing
Photonics, 2023 Direct femtosecond laser writing or inscription is a useful technique, and it has been employed to engineer various materials in many applications including nonlinear photonic crystals, which are of periodically patterned second-order nonlinearity to get
Yaolan Tian +4 more
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Chiral Phase Change Nanomaterials
Advanced Functional Materials, EarlyView.This work demonstrates reversible, non‐volatile phase transitions in chiral Ge2${\rm Ge}_2$Sb2${\rm Sb}_2$Te5${\rm Te}_5$ (GST) nanohelices for high‐speed optical modulation of chirality and dynamic control of the state of polarization (SOP). The chiral nanostructures are fabricated using a highly directional, wafer‐scale physical vapor deposition ...
Joshua A. Burrow +11 more
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Physical and Chemical Preparation Techniques and Applications of Photonic Crystals: A Review
CrystalsPhotonic crystals, which are important functional materials, are formed by the periodic arrangement of materials with different dielectric constants that have photonic bandgaps and localization properties. Their preparation methods are primarily physical
Yifan Zhang +6 more
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Advances in Sustainable and Wearable Textile Based Soft Robotics
Advanced Functional Materials, EarlyView.This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas +6 more
wiley +1 more source
BMEMatPhotonic crystals have drawn tremendous attention in recent years owing to their unique optical properties and remarkable advantages in various applications such as bioassays, sensors and optical devices. Benefiting from the spatially ordered structures,
Cun Zhu, Lei Tian, Wei Cheng, Zhongze Gu
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Defect modes in defective one dimensional parity-time symmetric photonic crystal
Scientific Reports, 2023 The introduction of defect layers into one-dimensional parity-time (PT) symmetric photonic crystals gives rise to resonances within the photonic bandgaps. These resonances can be effectively explained by our generalized temporal coupled mode theory.
Tiecheng Wang, Yong Niu
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Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films
Advanced Functional Materials, EarlyView.This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge +4 more
wiley +1 more source
Macroscopic photonic single crystals via seeded growth of DNA-coated colloids
Nature Communications, 2023 Photonic crystals—a class of materials whose optical properties derive from their structure in addition to their composition—can be created by self-assembling particles whose sizes are comparable to the wavelengths of visible light.
Alexander Hensley +4 more
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Design of Waveguide Polarization Convertor Based on Asymmetric 1D Photonic Crystals
Nanomaterials, 2022 Photonic crystals possess metastructures with a unique dispersion relation. An integrated optical circuit plays a crucial role in quantum computing, for which miniaturized optical components can be designed according to the characteristics of photonic ...
Fu-Li Hsiao +11 more
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