Results 41 to 50 of about 24,147 (270)
Photon Avalanching Nanoparticles: The Next Generation of Upconverting Nanomaterials?
Advanced Functional Materials, EarlyView.This Perspective outlines the mechanistic foundations that enable photon‐avalanche (PA) behavior in lanthanide nanomaterials and contrasts them with emerging application spaces and forward‐looking design strategies. By bridging threshold engineering, energy‐transfer dynamics, and materials engineering, we provide a coherent roadmap for advancing the ...
Kimoon Lee +7 more
wiley +1 more source
Optical Phased Array With Dual-Layer Electro-Optic Polymer and Silicon Nitride Waveguides
IEEE Photonics JournalAn optical phased array (OPA) is a device capable of forming and scanning arbitrary optical beams without any mechanical moving parts. We are developing an OPA using organic electro-optic (EO) polymers that exhibit ultrahigh speed and low power ...
Yuji Miyamoto +9 more
doaj +1 more source
Function-Versatile Thermo-Optic Switch Using Silicon Nitride Waveguide in Polymer
Photonics, 2023 A function-versatile thermo-optic switch is proposed and experimentally demonstrated using silicon nitride waveguides embedded in polymer cladding.
Tao Chen +4 more
doaj +1 more source
Integration of a multimode interference coupler with a corrugated sidewall Bragg grating in planar polymer waveguides [PDF]
, 2006 We demonstrate the integration of a 3-dB multimode interference coupler with a corrugated sidewall Bragg grating in planar polymer waveguides by direct electron beam writing.
Huang, Yanyi, Yariv, Amnon, Zhu, Lin
core +1 more source
Speckle‐Engineered Upconversion Amplification in Nanoemulsion‐Templated Hydrogel Microdomes
Advanced Functional Materials, EarlyView.Nanoemulsion‐confined PEGDA microdomes generate speckle‐like excitation fields that strongly amplify upconversion luminescence upon dehydration, enabling filter‐free visible readout with reversible on–off switching. DMD‐based lithography yields scalable, shape‐programmable arrays for moisture‐responsive displays and optical encryption.
Chaeyeong Ryu +13 more
wiley +1 more source
Prism coupling measurement of benzocyclobutene (BCB 4024-40) polymer for optical devices application [PDF]
, 2006 Prism coupling method is employed in the characterization process of BenzoCyclobutene (BCB 4024-40) polymer slab structure. This method is used to characterize the polymer refractive index, variation of film thickness with spin coating speed and average ...
Ibrahim, Mohd. Haniff +3 more
core
Light‐Actuated Fiber‐Climbing Inchworm Robot Toward Endoluminal Navigation
Advanced Functional Materials, EarlyView.A kirigami‐inspired soft inchworm robot harnesses optical energy from a customized side‐emitting optical fiber, guaranteeing its propulsion along the fiber body. The wavelength‐selective responsiveness of dye‐functionalized liquid crystal elastomers and the application of temporal illumination patterns enable sequential control of robot components. The
Antonio Lobosco +6 more
wiley +1 more source
Polymer Microring Coupled-Resonator Optical Waveguides [PDF]
, 2006 We present measurements of the transmission and dispersion properties of coupled-resonator optical waveguides (CROWs) consisting of weakly coupled polymer microring resonators.
DeRose, Guy A. +3 more
core +1 more source
Advanced Healthcare Materials, EarlyView.Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou +4 more
wiley +1 more source
Light-Induced Waveguide With Directional Transmission
IEEE Photonics Journal, 2019 Herein, we propose and demonstrate that the light-induced optical polymeric waveguides can function as the fully online optical connectors with directional transmission characteristics.
Xinpu Zhang +4 more
doaj +1 more source