Results 121 to 130 of about 486,399 (248)

Comparative Study of Nano-Slot Silicon Waveguides Covered by Dye Doped and Undoped Polymer Cladding

Applied Sciences, 2018
Nonlinear optical dyes doped in optical polymer matrices are widely used for electro-optical devices. Linear optical properties change with dye concentration, which leads to a change in modal properties, especially in nano-structured integrated ...
Siegfried Bondarenko, Claus Villringer, Patrick Steglich   +2 more
doaj   +1 more source

Enhanced four-wave mixing in graphene-integrated silicon slot waveguides

Applied Physics Express
Leveraging graphene’s giant third-order nonlinearity and ultrafast response, we experimentally demonstrate a graphene-integrated slot waveguide designed to maximize the effective light–matter interaction. Through four-wave mixing experiments, we achieved
Yonghua Wang, Chaofan Wang, Lei Lei, Rui Zhang, Yanan Qiao, Min Liu, Chenyang Xue   +6 more
doaj   +1 more source

Design, Analysis, and Optimization of a Plasmonic Slot Waveguide for Mid-Infrared Gas Sensing. [PDF]

Nanomaterials (Basel), 2022
Saeidi P, Jakoby B, Pühringer G, Tortschanoff A, Stocker G, Spettel J, Dubois F, Grille T, Jannesari R.   +8 more
europepmc   +1 more source

Inline Waveguide Sharp-Rejection Bandpass Filters With Transmission Zeros Using Resonant Coupling Slots

IEEE Access
This work presents a design methodology for synthesizing a category of compact inline sharp-rejection waveguide cavity bandpass filters based on novel frequency-variant coupling (FVC) structures. These FVCs consist of a rectangular slot placed in the top
Lubina Iram, Muhammad Yameen Sandhu, Adam Lamecki, Roberto Gomez-Garcia, Michal Mrozowski   +4 more
doaj   +1 more source

Highly Sensitive Liquid M-Z Waveguide Sensor Based on Polymer Suspended Slot Waveguide Structure. [PDF]

Polymers (Basel), 2022
Han J, Wu X, Ge X, Xie Y, Song G, Liu L, Yi Y.   +6 more
europepmc   +1 more source

On-chip enhanced raman spectroscopy using metal slot waveguide [PDF]

, 2017
info:eu-repo/semantics ...
Baets, Roel, Clemmen, Stéphane, Peyskens, Frédéric, Raza, Ali, Van Dorpe, P., Wuytens, Pieter   +5 more
core   +1 more source

Controlled generation of a pn-junction in a waveguide integrated graphene photodetector

, 2016
With its electrically tunable light absorption and ultrafast photoresponse, graphene is a promising candidate for high-speed chip-integrated photonics. The generation mechanisms of photosignals in graphene photodetectors have been studied extensively in ...
Bethge, Ole, Dobusch, Lukas, Krall, Michael, Mueller, Thomas, Neumaier, Daniel, Schall, Daniel, Schuler, Simone, Schwarz, Benedikt   +7 more
core   +3 more sources

A wideband CPW slot antenna by using conductor-backed coplanar feeding

Heliyon
In this paper, a new wideband coplanar waveguide (CPW) rhomboid slot antenna by using conductor-backed coplanar waveguide (CBCPW) feeding, which works at 4.6 GHz with a relative impedance bandwidth of about 55.6 %, and a gain of more than 5.5dBi from 4 ...
Yulei Xue, Ruiqiang Yan, Weiping Huang, Yanchen Dong   +3 more
doaj   +1 more source

Microstrip Patch Antennas Fed by Substrate Integrated Waveguide [PDF]

, 2013
Dizertační práce je zaměřena na výzkum mikropáskových flíčkových antén a anténních řad napájených vlnovodem integrovaným do substrátu (SIW). Využitím vlnovodu integrovaného do substrátu pro napájení mikropáskové flíčkové antény dochází ke kombinaci ...
Mikulášek, Tomáš
core  

Polymeric slot waveguide interferometers: Dissertation

, 2014
Slot waveguide is a specific light-guiding structure with a property to enhance the optical field in a nanometer scale void of low refractive index (RI) material embedded between higher RI material rails. Typically, slot waveguides have been fabricated from high refractive index inorganic dielectrics or semiconductors, such as silicon or silicon ...
openaire   +2 more sources