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Coupled-Line Directional Coupler Permittivity Sensors
Coupled-line directional couplers have played a significant role in microwave systems since their introduction by Oliver [1]. This chapter presents a...
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Deep-learning-based neural network for design of a dual-band coupled-line trans-directional coupler
A deep-learning-based model to automate the design of a dual-band coupled-line trans-directional (CL-TRD) coupler can greatly improve upon the...
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Compact Microstrip Directional Coupler with Topology Layout on Multilayer PCB
AbstractThis paper presents a compact microstrip directional coupler (MDC) based on coupled lines; the multilayer topology of this coupler is...
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Study of All-Optical Directional Coupler Based on Holes in Slab Photonic Crystal Structure
In this paper, an investigation on all-optical direction couplers has been demonstrated. A two-dimensional, holes in slab, photonic crystal structure...
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Design and Analysis of Hybrid Plasmonic Waveguide-Based Symmetrical Directional Coupler Using Metal Bottom Layer
In this paper, the performance analysis on hybrid plasmonic waveguide (HPW)-based symmetrical directional coupler (DC) is proposed, which contains...
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A compact branch-line coupler with harmonic suppression using novel circular-shaped resonators for medical imaging systems
This article presents a novel design of a branch-line coupler that possesses the capability to effectively eliminate undesired harmonics while...
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A magnonic directional coupler for integrated magnonic half-adders
Magnons, the quanta of spin waves, could be used to encode information in beyond-Moore computing applications, and magnonic device components,...
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Dynamical behavior and modulation instability of optical solitons in nonlinear directional couplers
In this paper, we focus on the dynamical behavior and modulation instability of optical solitons in nonlinear directional couplers. The expressions...
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Metamaterial Based Microwave Coupler Design
The design of microwave coupler in microstrip technology is complicated due to fabrication limitations. Many technologies are employed to overcome...
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Metamaterial Based Microwave Coupler Design
The design of microwave coupler in microstrip technology is complicated due to fabrication limitations. Many technologies are employed to overcome...
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A Wideband 3 dB T-Shaped Stubs-Loaded Coupler for Millimeter-Wave (mm-Wave) Beamforming Network Towards Fifth Generation (5G) Technology
This article presents a design of T-shaped stubs-loaded coupler for beamforming networks towards the fifth generation (5G) technology. The low-cost,...
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Eight-Channel Directional Coupler of Orthogonal H21 Modes in Circular Waveguide for X-Band Quasi-Monopulse Antenna Systems
AbstractThe paper presents results of the development and performance optimization of 8-channel directional coupler (DC) of orthogonal type H 21 ...
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Design and Simulation of Square Aperture Multi-hole Legendre Waveguide Directional Couplers
Waveguide directional couplers are fundamental microwave devices that are commonly used in routing RF signals to different ports within a waveguide...
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Development of an Ultra Wide Band Hybrid Coupler with Adjustable Phase Shifter for 5G Applications
The goal of this paper is to design and develop of an ultra-wideband (UWB) hybrid coupler with a variable phase shift (90°–180° and vice versa) which...
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Flexible Graphene-Silver Nanowires Polydimethylsiloxane (PDMS) Directional Coupler
In this research paper, graphene-silver nanowires are demonstrated as the transmission line of directional coupler fabricated on an elastomeric...
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Numerical Investigation of T-Shape Waveguide-Based Directional Coupler
Silicon-on-Insulator (SOI)-based structure has a lot of advantages and overcomes the limitation of conventional copper- and fiber-based technologies....
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An mm-sized biomimetic directional microphone array for sound source localization in three dimensions
Fly Ormia ochracea ears have been well-studied and mimicked to achieve subwavelength directional sensing, but their efficacy in sound source...
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Design of Dual-Band Beam Switching Array for Adaptive Antenna Applications Using Hybrid Directional Coupler and E-Shape Slot Radiator
The proposed research work presents a design of a dual-band 4-element planar beam-steering antenna array with a feed network. Beam steering array is...
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Particle Swarm Optimized Optical Directional Couplers with Ultrasmall Size and Wide Bandwidth
Optical directional couplers are the basic components of many optical information devices. The optical directional couplers based on...
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Silicon Electro-optic Modulator for Photonic Ring Network On-Chip Based on Dual ITO Layer Directional Coupler
As a key component of the Photonic network on chip (PNoC). The electro-optic modulator converts the electrical signal of the processor into optical...