Results 31 to 40 of about 144,490 (294)
A Semiconductor Under Insulator Technology in Indium Phosphide
, 2012 This Letter introduces a Semiconductor-Under-Insulator (SUI) technology in InP for designing strip waveguides that interface InP photonic crystal membrane structures.
Dalacu, Dan +5 more
core +1 more source
Bend Waveguides on Silicon Nanowire Optical Waveguide (SNOW)
IEEE Photonics Journal, 2011 In a previous work, we reported a novel optical waveguide named silicon nanowire optical waveguide (SNOW), which consists of arrayed silicon nanowires acting like an effective-index medium.
M. Khorasaninejad, S. S. Saini
doaj +1 more source
New silicon photonics integration platform enabled by novel micron-scale bends
, 2013 Even though submicron silicon waveguides have been proposed for dense integration of photonic devices, to date the lightwave circuits on the market mainly rely on waveguides with micron-scale core dimensions.
Aalto, Timo +4 more
core +1 more source
Enhanced spontaneous raman signal collected evanescently by silicon nitride slot waveguides [PDF]
, 2015 We investigate the effect of waveguide geometry on the conversion efficiency of Raman signals collected by integrated photonic waveguides. Compared to strip-type photonic wires, we report a six-fold increase in conversion efficiency for silicon-nitride ...
Baets, Roel +4 more
core +2 more sources
Sub‐THz Phase Shifters Enabled by Photoconductive Single‐Walled Carbon Nanotube Layers
Advanced Photonics Research, 2023 Materials with tunable dielectric properties are highly relevant for terahertz (THz) applications. Herein, the tuning of the dielectric response of single‐walled carbon nanotube layers by light illumination is studied for applications to THz phase ...
Serguei Smirnov +8 more
doaj +1 more source
Enhanced optical Kerr nonlinearity of graphene/Si hybrid waveguide
, 2018 In this work, we experimentally study the optical kerr nonlinearities of graphene/Si hybrid waveguides with enhanced self-phase modulation. In the case of CMOS compatible materials for nonlinear optical signal processing, Si and silicon nitride ...
Cong, Hui +7 more
core +1 more source
Electroactive Metal–Organic Frameworks for Electrocatalysis
Advanced Functional Materials, EarlyView.Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska +7 more
wiley +1 more source
Dielectric Sensors Based on Electromagnetic Energy Tunneling
Sensors, 2015 We show that metallic wires embedded in narrow waveguide bends and channels demonstrate resonance behavior at specific frequencies. The electromagnetic energy at these resonances tunnels through the narrow waveguide channels with almost no propagation ...
Omar Siddiqui +2 more
doaj +1 more source
Multimode waveguides of Photodefinable epoxy for optical backplane applications [PDF]
, 2006 We developed photodefined, multimode-fiber compatible waveguides based on epoxies. These waveguides will be embedded in backplane PCB’s for optical interconnect applications using 850 nm VCSELs as light sources.
Diemeer, M.B.J. +3 more
core +1 more source
Conditions for waveguide decoupling in square-lattice photonic crystals
, 2004 We study coupling and decoupling of parallel waveguides in two-dimensional square-lattice photonic crystals. We show that the waveguide coupling is prohibited at some wavelengths when there is an odd number of rows between the waveguides.
A. Huttunen +4 more
core +1 more source