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A Sub-terahertz-Band Rectangular TE10 to Circular TE01 Mode Converter
The design of a rectangular TE10-circular TE01 mode converter operating in the terahertz band is presented in this paper, which can be applied in the...
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Tapering Vertical Dimension Technique for the Quasi-periodic Folded-Waveguide TWT to Improve the Bandwidth and Efficiency
A tapering vertical dimension technique (TVDT) is proposed for the quasi-periodic folded-waveguide traveling wave tube (FW-TWT) to improve the...
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A Constant Corrugation Circular Waveguide for High-Pass Signal Diagnostics in ECEI System at 75–110 GHz
In this work, a high-pass waveguide filter with constant circular corrugations is presented. The proposed design allows propagation of HE 11 mode...
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High-resolution silicon photonic sensor based on a narrowband microwave photonic filter
Microwave photonic sensors are promising for improving sensing resolution and speed of optical sensors. In this paper, a high-sensitivity,...
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Macroscopic Characterization of Grating Coupled Waveguide Structures for Optical Notch Filtering
The use of optical waveguide gratings that function as spectrally selective loss elements is discussed. The Wavelength Filtering capability of input...
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Retarding System of the Diafraged Rectangular Waveguide Type
Abstract —In this paper, we propose fast and sufficiently accurate models for retarding systems (RS) such as double-shifted combs in a rectangular...
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Millimeter-Wave Dual-Mode Filters Realized in Microstrip-Ridge Gap Waveguide Technology
In this paper, we propose novel microstrip-ridge gap waveguide (MS-RGW) millimeter-wave bandpass filters based on a dual-mode resonator. The...
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Impact of film thickness in laser-induced periodic structures on amorphous Si films
We report self-organized periodic nanostructures on amorphous silicon thin films by femtosecond laser-induced oxidation. The dependence of structural...
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Design, Simulation, and Construction of a SWB Antenna Using a Metasurface Luneburg LENS
In this work, a novel compact antenna with a super-wideband (SWB) feeding (3–43 GHz) is designed. The SWB lens antenna consists of a super-wideband...
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Miniaturized Slow-Wave SIW-Based Circularly Polarized CRLH Leaky Wave Antenna Array Supporting Wide Angle Beam Scanning for Radar Applications
This paper presents a multi-layered composite right-left-handed (CRLH) slow-wave substrate integrated waveguide (SW-SIW) circularly polarized (CP)...
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Thermo-optic phase shifters based on silicon-on-insulator platform: state-of-the-art and a review
Silicon photonic platforms offer relevance to large markets in many applications, such as optical phased arrays, photonic neural networks,...
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Multi-object Optimization of Corrugated Horn Antenna with Gaussian Profile Using Genetic Algorithm with High Gain for W Band
For communication, satellite dishes and radio telescopes for the microwave frequency band, the smooth-walled horn antenna is majorly used as a...
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Highly Efficient Graphene-Based Optical Components for Networking Applications
Graphene has been known as a fascinating material and has attracted much attention for different applications. Optical and electrical prominent...
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Effects of Cavity Parameters on the Output Characteristics of InGaN/GaN Superluminescent Light Emitting Diodes
We have studied the effects of geometric parameters of cavity (cavity length and ridge width) on the spectral and power characteristics of In 0.2 Ga 0.8 ...
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Optical Wave Guide: Fast and Secure Communication for Next-Generation Technology
Optical communication is an indispensable technology for current society requirements. It satisfies the short-distance and long-distance...
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Optical Wave Guide: Fast and Secure Communication for Next-Generation Technology
Optical communication is an indispensable technology for current society requirements. It satisfies the short distance and long-distance...
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Microwave, Millimeter Wave and Terahertz Applications of Liquid Crystal
Although liquid crystal display has been extensively applied, the narrow niche of optical applications is out of the scope of this chapter. Instead,...
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Design of Surface Defects Loaded Selectively Notched W-Band Waveguide Filter for Millimeter Wave Diagnostic in Fusion Reactor
In the fusion experiment, sensitive radio frequency signal diagnostic instruments need to be protected against high power stray radiation coming from...
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Semiconductor Lasers
This article discusses the basic operation principle, material engineering aspects, and different architectures for the design of semiconductor...
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Broadband MIMO Configuration Using a Novel Split Ring Metasurface as Superstrate for Gain Enhancement Operating in Millimetre Wave Regime
This paper outlines the design and analysis of a compact antenna and its multiple-input multiple-output (MIMO) arrangement for use in applications at...
