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We present a corrigendum to our Letter [Opt. Lett.48, 5699 (2023)10.1364/OL.505761]. In section 3 of the original supplementary material, the absolute value is incorrectly taken in resolving the Kubo formula for describing the conductivity of graphene. Because this is a mistake with the conductivity of graphene, the coupling of the original structure is broken when the correct result is inserted into the code of the transfer matrix. So, the structure of the arithmetic logic unit (ALU), characteristic frequency point, and phase control have been modified accordingly. However, the ultimate function and the conclusion of this work remain unchanged.
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http://dx.doi.org/10.1364/OL.514029 | DOI Listing |
Sci Rep
August 2025
VLSI Centre of Excellence, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, Punjab, 140401, India.
The vast interconnection between digital logic blocks is the main challenge faced in chip designing, which leads to increased area overheads and average power consumption. One possible solution to overcome this challenge is to make use of multi-valued logic. However, for implementing multi-valued logic, new design techniques that deliver low-power and high-speed performance need to be explored.
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July 2025
State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science, Hunan Normal University, Changsha 410081, P. R. China.
Polymetallic nanomaterials have important development potential by integrating the properties and advantages of their components. However, their preparation paradigm urgently needs to be updated to make full use of their characteristics to realize their multifaceted applications. In this study, multifunctional trimetallic gold-silver-chromium nanocomposites (Au-Ag-Cr NCs) were successfully synthesized, and their polymetallic plasmonic absorption properties were used in a variety of applications, from multimode and multianalyte sensing, advanced arithmetic, and reversible logic to long-text information protection.
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July 2025
Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, 135 Yaguan Road, Tianjin, 300350, China.
Mechanical computing metamaterials, which utilize transitions among discrete configurations to process information autonomously when perceiving external stimuli, are important in the development of intelligent mechanical systems. However, most current designs involve tessellations of planar mechanisms or bistable structures, which typically offer only two distinct configurations, requiring many units to provide multiple input-outputs for complex logic operations with little consideration of system integration. Here, We propose a family of 2n-side kinematic polygonal modules introducing n decoupled inputs and 2 transitable extreme configurations, which are coupled with electrical circuits to construct conductive logic metamaterials for mechanical computing.
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July 2025
Solar Energy Department, National Research Centre, Cairo, Egypt.
This paper introduces a hybrid fuzzy logic control-based proportional-integral (FLC-PI) control strategy designed to enhance voltage stability, power quality, and overall performance of central inverters in photovoltaic power plants (PVPPs). The study is based on a real-world PVPP with an installed capacity of 26.136 MWp, connected to the Egyptian national grid at Fares City, Kom Ombo Centre, Aswan Governorate.
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July 2025
Materials Science and Engineering Department, Physical Science and Engineering (PSE) Division, King Abdullah University of Science and Technology (KAUST), KAUST Solar Center, Thuwal, 23955, Makkah, Saudi Arabia.
Modern telecommunication technologies, such as the 5G and upcoming 6G networks, rely on devices operating in the radio frequency (RF) spectrum of 0.3-90 GHz and 7-300 GHz, respectively. To meet these demanding frequency requirements, new manufacturing methods and device architectures are gaining increasing attention.
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