Yu Jian Cheng
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View article: Hardware-Efficient Optical Matrix Processor via Low-Rank Approximation
Hardware-Efficient Optical Matrix Processor via Low-Rank Approximation Open
We propose a hardware-efficient optical matrix processor based on low-rank approximation, utilizing narrowband filters of microring resonators (MRRs) and broadband Mach-Zehnder interferometers (MZIs). Our design enables the realization of …
View article: An integrated method for full-field stress measurement via coupled <i>in situ</i> digital image correlation and electron backscatter diffraction
An integrated method for full-field stress measurement via coupled <i>in situ</i> digital image correlation and electron backscatter diffraction Open
A novel method is proposed to measure the stress field on the surface of polycrystalline samples by combining in situ digital image correlation (DIC) and electron backscatter diffraction (EBSD). DIC provides full-field strain measurements …
View article: Antiferromagnet-topological insulator heterostructure for polarization-controllable terahertz generation
Antiferromagnet-topological insulator heterostructure for polarization-controllable terahertz generation Open
View article: Core mass function in view of fractal and turbulent filaments and fibers
Core mass function in view of fractal and turbulent filaments and fibers Open
We propose that the core mass function (CMF) can be driven by filament fragmentation. To model a star-forming system of filaments and fibers, we develop a fractal and turbulent tree with a fractal dimension of 2 and a Larson's law exponent…
View article: 1-Octylboronic Acid Esterized Cellulose Nanofiber as an Efficient Thickener and Lubricant Nanoadditive for Eco-Friendly Grease
1-Octylboronic Acid Esterized Cellulose Nanofiber as an Efficient Thickener and Lubricant Nanoadditive for Eco-Friendly Grease Open
View article: Detecting a Fifth-Force Gauge Boson via Superconducting Josephson Junctions
Detecting a Fifth-Force Gauge Boson via Superconducting Josephson Junctions Open
A new fifth force between particles carrying $B-L$ charges is well-motivated by the intriguing $U(1)_{B-L}$ extension of the standard model. The gauge boson mediator, Féeton, also serves as a dark matter candidate. In this letter, we propo…
View article: Blindness-free beam scanning antenna with array of array architecture: principle, design, and experiment
Blindness-free beam scanning antenna with array of array architecture: principle, design, and experiment Open
View article: Greetings from the General Chair
Greetings from the General Chair Open
On behalf of the organizing committee, I warmly welcome you to participate the 2023 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP 2023), which will be held in C…
View article: W‐Band High‐Efficiency Waveguide Slot Array Antenna with Low Sidelobe Levels Based on Silicon Micromachining Technology
W‐Band High‐Efficiency Waveguide Slot Array Antenna with Low Sidelobe Levels Based on Silicon Micromachining Technology Open
A high-efficiency waveguide slot array antenna with low sidelobe level (SLL) is investigated for W-band applications. The silicon micromachining technology is utilized to realize multilayer antenna architecture by three key steps of select…
View article: Planar Ultra-Wideband and Wide-Scanning Dual-Polarized Phased Array With Integrated Coupled-Marchand Balun for High Polarization Isolation and Low Cross-Polarization
Planar Ultra-Wideband and Wide-Scanning Dual-Polarized Phased Array With Integrated Coupled-Marchand Balun for High Polarization Isolation and Low Cross-Polarization Open
In this article, a dual-polarized planar phased array with high polarization isolation and low cross-polarization is presented operating from 4 to 18 GHz, i.e., 4.5:1. The proposed array is comprised of tightly coupled dipoles with integra…
View article: A Highly Integrated MIMO Antenna Unit: Differential/Common Mode Design
A Highly Integrated MIMO Antenna Unit: Differential/Common Mode Design Open
—A novel concept of antenna design, termed as differential/common mode (DM/CM) design, is proposed to achieve highly integrated multi-input multi-output (MIMO) antenna unit in mobile terminals. The inspiration comes from a dipole fed by a …
View article: Codesigned Wideband High-Efficiency Filtering SIW Slot Antenna with High Selectivity and Flat Gain Response
Codesigned Wideband High-Efficiency Filtering SIW Slot Antenna with High Selectivity and Flat Gain Response Open
A substrate integrated waveguide (SIW) slot antenna with wideband bandpass filtering performance is proposed in this journal. It consists of a SIW cavity, a transverse slot, three metal posts, and a SMA connector. Three metal posts split t…
View article: Multimode Decoupling Technique With Independent Tuning Characteristic for Mobile Terminals
Multimode Decoupling Technique With Independent Tuning Characteristic for Mobile Terminals Open
The isolation between antenna elements is a key metric in some promising 5G technologies such as beamforming and in-band full-duplex (IBFD). However, multimode decoupling technology remains a great challenge especially for mobile terminals…
View article: W-Band Hybrid Unequal Feeding Network of Waveguide and Substrate Integrated Waveguide for High Efficiency and Low Sidelobe Level Slot Array Antenna Application
W-Band Hybrid Unequal Feeding Network of Waveguide and Substrate Integrated Waveguide for High Efficiency and Low Sidelobe Level Slot Array Antenna Application Open
A W-band hybrid unequal feeding network of waveguide and substrate integrated waveguide (SIW) is presented in this paper. It comprises a two-way hybrid waveguide-SIW E-plane divider and an unequal SIW dividing network. Firstly, the two-way…
View article: A Compact and Low-Profile Loop Antenna With Six Resonant Modes for LTE Smartphone
A Compact and Low-Profile Loop Antenna With Six Resonant Modes for LTE Smartphone Open
In this paper, a novel six-mode loop antenna covering 660-1100 MHz, 1710-3020 MHz, 3370-3900 MHz, and 5150-5850 MHz has been proposed for the application of Long Term Evolution (LTE) including the coming LTE in unlicensed spectrum (LTE-U) …
View article: Substrate Integrated Slot Array Antenna with Required Radiation Pattern Envelope
Substrate Integrated Slot Array Antenna with Required Radiation Pattern Envelope Open
A substrate integrated slot array antenna with a prescribed radiation pattern is investigated in this paper. To meet the requirement of a certain standard radiation pattern envelope, the array configuration and the element excitation coeff…
View article: A Modeling Method for Small Packing Particles in Electromagnetic Simulation
A Modeling Method for Small Packing Particles in Electromagnetic Simulation Open
A modeling method for small packing particles is proposed in this paper, especially for the application of the electromagnetic simulation. This method is able to model random distributed and mutual-contacted packing particles efficiently a…
View article: Advances in Low-Profile Antennas in Wireless Communications 2015
Advances in Low-Profile Antennas in Wireless Communications 2015 Open
Although low-profile antennas designs have been widely studied in the past years, there are still many challenging issues in low-profile antennas in
View article: Substrate Integrated Waveguide Leaky-Wave Antenna Conforming to Conical Shape Surface
Substrate Integrated Waveguide Leaky-Wave Antenna Conforming to Conical Shape Surface Open
A conical conformal leaky-wave antenna based on substrate integrated waveguide (SIW) technology is proposed and demonstrated in this paper. This antenna conforms to a conical shape surface with the angle of 40°. It has a narrow beam that s…