Results 341 to 350 of about 620,119 (380)
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Photorefractive waveguides

2020
In integrated optics, optical waveguides are fundamental elements for the development of integrated devices, including light sources, modulators, detectors, optical pathways, receivers and switches. For the fabrication of optical integrated waveguide components, grating couplers or other complex integrated structures realized on planar optical ...
Thi Ngoc Lam Tran   +3 more
openaire   +2 more sources

Waveguides and Resonators

2004
Much of the discussion in the previous three chapters centered around lossless transmission lines. For these lines, the various relations were independent of conductivity of the materials involved. In fact, even for a distortionless transmission line, although an attenuation constant was present, all other basic properties of the line were independent ...
openaire   +4 more sources

Waveguide-integrated black phosphorus photodetector with high responsivity and low dark current

Nature Photonics, 2014
Layered two-dimensional materials have demonstrated novel optoelectronic properties and are well suited for integration in planar photonic circuits. Graphene, for example, has been utilized for wideband photodetection.
N. Youngblood   +3 more
semanticscholar   +1 more source

Review of substrate-integrated waveguide circuits and antennas

, 2011
Substrate-integrated waveguide (SIW) technology represents an emerging and very promising candidate for the development of circuits and components operating in the microwave and millimetre-wave region. SIW structures are generally fabricated by using two
M. Bozzi, A. Georgiadis, K. Wu
semanticscholar   +1 more source

Metamaterial‐Based Maxwell's Fisheye Lens for Multimode Waveguide Crossing

Laser & Photonics reviews, 2018
On‐chip multimode transmission has drawn tremendous interest for its ability to expand the link capacity with a single wavelength carrier. The waveguide crossing is a basic component in the on‐chip photonic circuit allowing the routing of a complex ...
Hongnan Xu, Yaocheng Shi
semanticscholar   +1 more source

Ion implanted waveguides and waveguide lasers

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1992
Abstract Ion implantation is an accurate method for modifying the refractive index of surfaces of insulators to form optical waveguides and waveguide lasers. Alternative approaches are to directly define the waveguide region by implanting chemical dopants to control the refractive index and the lasing transitions or to use ion beam induced damage ...
openaire   +2 more sources

Coplanar waveguide circuits, components, and systems

, 2001
Preface. Introduction. Conventional Coplanar Waveguide. Conductor-Backed Coplanar Waveguide. Coplanar Waveguide with Finite-Width Ground Planes. Coplanar Waveguide Suspended Inside A Conducting Enclosure. Coplanar Striplines.
R. Simons
semanticscholar   +1 more source

Optical Waveguide Theory

Handbook of Laser Technology and Applications, 1983
This report summarizes the activites at the 4th International Workshop on Optical Waveguide Theory, held at Leuwenhorst Holland on 13–16 September 1979.
G. Stewart
semanticscholar   +1 more source

Waveguide dispersion in anisotropic optical waveguides

Soviet Journal of Quantum Electronics, 1987
The method of shift formulas is employed to obtain approximate analytic expressions which can be used to calculate?with sufficient accuracy for practical applications?the waveguide and polarization dispersion of the dominant orthogonally polarized modes in anisotropic optical fiber waveguides.
openaire   +2 more sources

Theory of Banded Waveguides

Computer Music Journal, 2004
Udgivelsesdato ...
Georg Essl   +4 more
openaire   +3 more sources

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