Results 41 to 50 of about 125,416 (200)
An elastomeric grating coupler [PDF]
, 2006 We report on a novel nondestructive and reversible method for coupling free space light to planar optical waveguides. In this method, an elastomeric grating is used to produce an effective refractive index modulation on the surface of the optical ...
Ay, F. +3 more
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The femtosecond laser fabrication of waveguide structures in transparent crystals
APL PhotonicsAn optical waveguide is the basic structure of quantum optics, which has a strong confinement effect on light. It can complete the low-loss transmission of light and the enhancement of the nonlinear effect.
Zhi-Ming Huo +10 more
doaj +1 more source
Optical characteristics of an oxyfluoride glass waveguide formed by a proton implantation
Results in Physics, 2018 An optical waveguide was fabricated by H+ ion implantation with an energy of 400 keV and a dose of 8 × 1016 ions/cm2 in the oxyfluoride glass for the first time to the best of our knowledge. The dark mode spectra of the waveguide were measured by a prism
Yue Wang +5 more
doaj +1 more source
Optical fibre taper-enabled waveguide photoactuators
Nature Communications, 2022 Despite promising devices, waveguide photoactuators actuating performances have been fundamentally restricted by the nature of standard optical fibres. To overcome these challenges, authors propose an optical fibre taper-enabled waveguide photoactuator ...
Jianliang Xiao +13 more
doaj +1 more source
Properties of the Optical Planar Polymer Waveguides Deposited on Printed Circuit Boards [PDF]
, 2015 This paper reports on a technology for realization of an optical planar waveguide layer on duroid substrate and on FR4 fiber reinforced board material printed circuit boards.
Hyps, Petr +3 more
core +2 more sources
Nanophotonics, 2023 All-optical wavelength conversion based on four-wave mixing attracts intense interest in many areas, especially in optical fiber communications, due to the advantages of femtosecond response, modulation-format transparency, and high flexibility in ...
Zhao Ping +4 more
doaj +1 more source
Slot-Waveguide Based All-Optical RF Spectrum Analyzer
Photonics, 2023 All-optical radio-frequency spectrum analyzers (AORFSAs) with ultrabroad bandwidth break the electronic bottleneck and provide an efficient frequency analysis means for ultrafast optical signals in communications, signal generation and processing systems.
Yuhua Li +6 more
doaj +1 more source
Numerical Analysis of Multilayer Optical Waveguide Modes based on Effective Refractive Index Method
Guangtongxin yanjiu, 2023 The effective and efficient refractive index of a multilayer optical waveguide is computed by taking into account the various order modes of the waveguide, such as the Quasi-Transverse Electric/Transverse Magnetic (Quasi-TE/TM) mode.
HE Wei +3 more
doaj
Optical Properties of Bowtie-Type Nanoantennas Integrated Onto a Silicon Waveguide Platform
IEEE Photonics Journal, 2019 In this paper, we provide a detailed three-dimensional numerical analysis of the optical properties of common and modified bowtie aperture antennas integrated onto a silicon waveguide platform, to discuss the influence of geometrical parameters on the ...
Ye-Fei Dong +4 more
doaj +1 more source
Fully guided electrically-controlled exciton polaritons
, 2018 We demonstrate two types of waveguide structures which optically confine exciton- polaritons in two dimensions and act as polaritonic channels. We show a strong optical confinement in an etched rectangular waveguide, that significantly increases the ...
Liran, Dror +4 more
core +1 more source