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35 Results Found

  • Article
  • Open Access
2 Citations
4,717 Views
11 Pages

The paper deals with the immunity to Electromagnetic Interference (EMI) of the current source for Ultra-Low-Voltage Integrated Circuits (ICs). Based on the properties of IC building blocks, such as the current-splitter and current correlator, a novel...

(This article belongs to the Special Issue Low-Power CMOS Analog and Digital Circuits and Filters)
  • Review
  • Open Access
44 Citations
13,736 Views
35 Pages

A Review on Metasurface Beam Splitters

  • Zhe Shen and
  • Dingxin Huang

Beam splitters are widely used in various optical systems, but traditional beam splitters are bulky and heavy, which are not conducive to the integrated utilization of optical devices. Metamaterials have attracted extensive attention as a kind of min...

(This article belongs to the Special Issue Featured Reviews in Nanomanufacturing)
  • Case Report
  • Open Access
9 Citations
3,771 Views
16 Pages

15 December 2020

The low-voltage circuit breakers are widely used to protect loads in the distribution system. Interruption reliability of circuit breakers is important because they are a protective device close to the customer. In particular, the re-ignition phenome...

(This article belongs to the Special Issue 10th Anniversary of Electronics: Advances in Circuit and Signal Processing)
  • Article
  • Open Access
8 Citations
3,030 Views
25 Pages

Numerical Methodology to Reduce the Drag and Control Flow around a Cam-Shaped Cylinder Integrated with Backward Splitter Plate

  • Sunil Chamoli,
  • Amit Joshi,
  • Sumit Rana,
  • Suvanjan Bhattacharaya and ,
  • Ashutosh Gupta,
  • Siddharth Ghansela,
  • Chinaruk Thianpong and
  • Smith Eiamsa-ard
  • + 3 authors+ 0 author

After publishing a research article in the year 2019, a cam-shaped cylinder was introduced, and the results expressed its ability to prevent the vortex from shedding. This makes the cam-shaped cylinder a better performer than the circular cylinder. T...

(This article belongs to the Topic Mathematical Modeling)
  • Article
  • Open Access
11 Citations
3,211 Views
14 Pages

Many current 1 × 2 splitter couplers based on multimode interference (MMI) face difficulties such as significant back reflection and limited flexibility in waveguide segmentation at the output, which necessitate the addition of transitional str...

(This article belongs to the Section Optical Interaction Science)
  • Article
  • Open Access
1 Citations
2,233 Views
14 Pages

A Novel Wideband Splitter for a Four-Element Antenna Array

  • Bohumil Adamec,
  • Juraj Machaj and
  • Peter Brida

17 February 2024

In the paper, a novel design of a wideband power splitter for a four-element antenna array using two RF antiphase segments is proposed. Based on a detailed analysis of the power splitter circuit, an analytical model was set up in the MATLAB environme...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
8 Citations
13,093 Views
19 Pages

13 September 2022

This study was prepared to demonstrate how the aerodynamics of a sports car can be enhanced, emphasizing aerodynamic improvements, and utilizing small movable elements. All the presented results were obtained using the numerical simulations performed...

(This article belongs to the Special Issue Future of Road Vehicle Aerodynamics)
  • Article
  • Open Access
2,009 Views
10 Pages

A High-Reliability Quantum Communication Protocol via Controllable-Signal Attenuation

  • Yueying Zhang,
  • Yanxiang Chen,
  • Maolin Shi,
  • Qun Zhou and
  • Chao Liu

Since the protocol for counterfactual quantum communication was proposed, complete counterfactuality can be achieved as there are no physical particles in the transmission channel. However, it relies on some restrictive factors, such as requiring an...

(This article belongs to the Section Biophotonics and Biomedical Optics)
  • Article
  • Open Access
8 Citations
9,869 Views
16 Pages

Shock Wave Diffraction Phenomena around Slotted Splitters

  • Francesca Gnani,
  • Kin Hing Lo,
  • Hossein Zare-Behtash and
  • Konstantinos Kontis

5 January 2015

In the field of aerospace engineering, the study of the characteristics of vortical flows and their unsteady phenomena finds numerous engineering applications related to improvements in the design of tip devices, enhancement of combustor performance,...

(This article belongs to the Special Issue Recent Advances in SWBLI Research)
  • Article
  • Open Access
15 Citations
5,488 Views
12 Pages

16 May 2023

The breaking capacity of rated current is one of the important indexes to evaluate the performance of circuit breakers, which is usually measured experimentally and cannot be analyzed in terms of the arcing characteristics of the opening process. Sim...

(This article belongs to the Section A: Sustainable Energy)
  • Article
  • Open Access
1 Citations
1,654 Views
13 Pages

19 January 2026

This study quantitatively analyzed the effects of repetitive fault currents occurring in an accelerator environment on the breaking performance of molded-case circuit breakers (MCCBs). To this purpose, four MCCB samples are subjected to one, two, and...

(This article belongs to the Special Issue Intelligent Actuation and Control Systems for Electrified Mobility and Robotics)
  • Communication
  • Open Access
2,374 Views
9 Pages

Beam Tailoring Devices Using Transmission-Type Subwavelength Grating

  • Gang Wu,
  • Shanglin Hou,
  • Jingli Lei and
  • Zuyong Yan

Subwavelength gratings (SWGs) possess an excellent ability to manipulate the wavefronts of light waves. We investigated the beam tailoring mechanism of aperiodic SWGs in our current work, and a bifocal lens, a beam splitter, and a beam combiner based...

  • Article
  • Open Access
11 Citations
2,802 Views
12 Pages

An Experimental Study on Transient Response of a Hybrid Thermoelectric–Photovoltaic System with Beam Splitter

  • Sajjad Mahmoudinezhad,
  • Petru Adrian Cotfas,
  • Daniel Tudor Cotfas,
  • Enok Johannes Haahr Skjølstrup and ,
  • Kjeld Pedersen,
  • Lasse Rosendahl and
  • Alireza Rezania
  • + 2 authors+ 0 author

3 December 2021

In the current study, the electrical responses of a thermoelectric (TE) module and a photovoltaic (PV) cell are investigated in three different systems, namely, a PV-only system, TE-only system, and hybrid TE-PV system with a beam splitter (TE-PV-BS)...

  • Article
  • Open Access
26 Citations
4,859 Views
13 Pages

23 January 2019

The characterization of a spectrum splitter of both hot and cold mirror, type TechSpec AOI 50.0, using a 50-Watt halogen bulb light has been done. Both the bulb spectrum, prior to and after spectrum splitting, are described in this study to see the d...

  • Review
  • Open Access
46 Citations
22,838 Views
26 Pages

Altermagnetism and Altermagnets: A Brief Review

  • Rupam Tamang,
  • Shivraj Gurung,
  • Dibya Prakash Rai,
  • Samy Brahimi and
  • Samir Lounis

Recently, a new class of magnetic material, termed altermagnets, has caught the attention of the magnetism and spintronics community. The magnetic phenomenon arising from these materials differs from traditional ferromagnetism and antiferromagnetism....

  • Article
  • Open Access
7 Citations
2,956 Views
12 Pages

Enhancement of Optomechanical Squeezing of Light Using the Optical Coherent Feedback

  • Zhenhua Wu,
  • Zhen Yi,
  • Wenju Gu,
  • Lihui Sun and
  • Zbigniew Ficek

29 November 2022

A coherent feedback scheme is used to enhance the degree of squeezing of the output field in a cavity optomechanical system. In the feedback loop, a beam splitter (BS) plays the roles of both a feedback controller and an input–output port. To r...

(This article belongs to the Section Quantum Information)
  • Communication
  • Open Access
5 Citations
4,275 Views
11 Pages

A Ka-Band Doherty Power Amplifier in a 150 nm GaN-on-SiC Technology for 5G Applications

  • Alessandro Parisi,
  • Giuseppe Papotto,
  • Claudio Nocera,
  • Alessandro Castorina and
  • Giuseppe Palmisano

29 August 2023

This paper presents a Ka-band three-stage power amplifier for 5G communications, which has been implemented in a 150 nm GaN-on-SiC technology and adopts a Doherty architecture. The amplifier is made up of a 50 Ω input buffer, which drives a pow...

(This article belongs to the Special Issue Recent Advances in RF and Millimeter-Wave Design Techniques)
  • Review
  • Open Access
25 Citations
13,184 Views
25 Pages

16 December 2022

The theory of the beam splitter (BS) in quantum optics is well developed and based on fairly simple mathematical and physical foundations. This theory has been developed for any type of BS and is based on the constancy of the reflection coefficients...

(This article belongs to the Special Issue Advances in Quantum Optics and Quantum Information)
  • Article
  • Open Access
4 Citations
2,991 Views
14 Pages

In the current study, full-stage unsteady simulations were performed to investigate rotating instability inception mechanisms in a particularly large tip clearance centrifugal compressor with a vaneless diffuser and a volute. Four operating points al...

  • Article
  • Open Access
3 Citations
2,484 Views
12 Pages

Ultra-Compact and Broadband Nano-Integration Optical Phased Array

  • Zhicheng Wang,
  • Junbo Feng,
  • Haitang Li,
  • Yuqing Zhang and ,
  • Yilu Wu,
  • Yuqi Hu,
  • Jiagui Wu and
  • Junbo Yang
  • + 3 authors+ 0 author

8 September 2023

The on-chip nano-integration of large-scale optical phased arrays (OPAs) is a development trend. However, the current scale of integrated OPAs is not large because of the limitations imposed by the lateral dimensions of beam-splitting structures. Her...

(This article belongs to the Section Nanocomposite Materials)
  • Article
  • Open Access
6 Citations
4,435 Views
16 Pages

New Security Improvements in Next-Generation Passive Optical Networks Stage 2 †

  • Vlastimil Clupek,
  • Tomas Horvath,
  • Petr Munster and
  • Vaclav Oujezsky

18 October 2019

Passive optical networks are currently the most promising solution for access networks. These networks rely on broadcast signal distribution in the downstream direction and unicast signal transmission in the upstream direction. The upstream direction...

(This article belongs to the Special Issue Selected Papers from the 2019 42nd International Conference on Telecommunications and Signal Processing (TSP))
  • Article
  • Open Access
4 Citations
5,795 Views
14 Pages

5 February 2021

The impulse water turbine is a promising energy conversion device that can be used as mechanical power or a micro hydro generator, and its application can effectively ease the current energy crisis. This paper aims to clarify the mechanism of liquid...

(This article belongs to the Section Process Control, Modeling and Optimization)
  • Article
  • Open Access
4 Citations
5,897 Views
12 Pages

12 May 2019

This paper reports design of a 2 × 4 hybrid multimode interferometer-Mach-zehnder interferometer (MMI-MZI) configuration consiting of compact thermo-optical switches on the silicon-on-insulator (SOI) platform. The device consists of two identic...

(This article belongs to the Special Issue Photonic Materials and Devices)
  • Article
  • Open Access
4 Citations
4,819 Views
18 Pages

Development and Measurement of a Very Thick Aerodynamic Profile for Wind Turbine Blades

  • Alois Peter Schaffarczyk,
  • Brandon Arthur Lobo,
  • Nicholas Balaresque,
  • Volker Kremer and ,
  • Janick Suhr and
  • Zhongxia Wang
  • + 1 author+ 0 author

12 July 2024

We designed 60% thick airfoil to improve the aerodynamic performance in the root region of wind turbine rotor blades, taking into account current constraints. After an extensive literature review and patent research, a design methodology (including t...

  • Article
  • Open Access
7 Citations
3,871 Views
16 Pages

Enclosure Design for Brake Wear Particle Measurement Using Computational Fluid Dynamics

  • Tuo Zhang,
  • Sungjin Choi,
  • Seoyeon Ahn,
  • Chanhyuk Nam and
  • Geesoo Lee

21 April 2021

The harmfulness of fine dust generated by automobile brakes to the environment has recently received attention. Therefore, we aimed to analyze and regulate the brake wear particles in dynamometers. To accurately measure the number of particles and pa...

(This article belongs to the Special Issue Computational Fluid Dynamics (CFD) 2021)
  • Article
  • Open Access
1,461 Views
28 Pages

25 August 2025

This work establishes the first derivation of geometry-dependent Kirchhoff’s laws via conformal symmetry, enabling new types of self-sustaining circuits unattainable in classical lumped-element theory. Building on Bessel-Hagen’s extension...

(This article belongs to the Section Energy Science and Technology)
  • Article
  • Open Access
3 Citations
2,170 Views
20 Pages

26 April 2024

The concentrating solar spectrums splitter (CSSS)-driven solid oxide electrolysis cell (SOEC) is an attractive technology for green hydrogen production. The CSSS mainly comprises a concentrating photovoltaic (CPV), which converts sunlight with shorte...

(This article belongs to the Section A2: Solar Energy and Photovoltaic Systems)
  • Review
  • Open Access
18 Citations
10,862 Views
27 Pages

Integrated Photonic Passive Building Blocks on Silicon-on-Insulator Platform

  • Francesco Amanti,
  • Greta Andrini,
  • Fabrizio Armani,
  • Fabrizio Barbato and ,
  • Vittorio Bellani,
  • Vincenzo Bonaiuto,
  • Simone Cammarata,
  • Matteo Campostrini,
  • Thu Ha Dao and
  • Valerio Vitali
  • + 33 authors+ 28 authors

Integrated photonics on Silicon-On-Insulator (SOI) substrates is a well developed research field that has already significantly impacted various fields, such as quantum computing, micro sensing devices, biosensing, and high-rate communications. Altho...

(This article belongs to the Special Issue Photonic Integrated Circuits for Information, Computing and Sensing)
  • Article
  • Open Access
22 Citations
12,135 Views
22 Pages

18 October 2017

Transonic centrifugal compressors with high performance are required in the oil and gas industries, modern gas turbine engines, and turbochargers. The sweep of the blades is one of the crucial features that have a significant influence on their perfo...

(This article belongs to the Section Mechanical Engineering)
  • Article
  • Open Access
13 Citations
6,887 Views
24 Pages

We introduce a private quantum money scheme with the note verification procedure based on sampling matching, a problem in a one-way communication complexity model. Our scheme involves a bank who produces and distributes quantum notes, noteholders who...

(This article belongs to the Special Issue Quantum Cryptography and Cyber Security)
  • Article
  • Open Access
370 Views
16 Pages

18 August 2026

Spectrally flat-topped and polarization-insensitive coarse wavelength division multiplexing (CWDM)-targeted optical demultiplexers based on distributed multimode-interference (MMI) phase compensations are analytically calculated and experimentally de...

(This article belongs to the Section Nanoelectronics, Nanosensors and Devices)
  • Article
  • Open Access
18 Citations
7,265 Views
16 Pages

19 August 2021

Kidney microphysiological systems (MPS) serve as potentially valuable preclinical instruments in probing mechanisms of renal clearance and osmoregulation. Current kidney MPS models target regions of the nephron, such as the glomerulus and proximal tu...

(This article belongs to the Section B: Biology and Biomedicine)
  • Article
  • Open Access
1 Citations
2,015 Views
18 Pages

19 February 2025

This paper presents a preliminary proof-of-concept study of a novel approach to 3D millimeter-wave (MMW) imaging, demonstrating the first implementation of Glow Discharge Detectors (GDDs) in this domain. GDDs offer significant advantages over convent...