Results 31 to 40 of about 190 (145)

Low Complexity QCA‐Based 1:2n Demux Architecture With Effective Modular Design

Journal of Engineering, Volume 2026, Issue 1, 2026.
Quantum‐dot cellular automata (QCA) is a revolutionary technology operating at the nanoscale and having the ability to supplant the CMOS technology. Demultiplexers (DeMuxs) are essential combinational blocks in receiver‐side communication systems, where they perform signal distribution and serial‐to‐parallel data routing.
Paramjeet, Saptarshi Gupta, Rupali Singh, Trailokya Nath Sasamal, Aditya Agarwal, Minakshi Sanadhya, Dharmbir Prasad, Srinivasan S. Balapangu, Shikha Binwal   +8 more
wiley   +1 more source

Missing-cell defects in QCA wires: The ground and excited electronic states perspectives

Results in Physics
Quantum Cellular Automata (QCA) technology offers promising prospects for designing molecular electronic circuits that operate at high frequencies and with ultra-low power consumption.
Ehsan Rahimi, Mahdiah Estiri
doaj   +1 more source

Guesstimation of Molecular Ensemble Electrostatics Properties Through SCERPA‐DFT Calculation: Molecular Field‐Coupled Nanocomputing as a Case Study

Advanced Theory and Simulations, Volume 8, Issue 10, October 2025.
This work presents a framework combining the Self‐Consistent Electrostatic Potential Algorithm (SCERPA) and Density‐Functional Theory calculations to efficiently evaluate the electronic properties of molecular ensembles. The approach achieves ab initio‐comparable precision while significantly reducing computation time and provides the first DFT ...
Yuri Ardesi, Fabrizio Mo, Marco Vacca, Gianluca Piccinini, Mariagrazia Graziano   +4 more
wiley   +1 more source

Design of Basic Logic Gates Using Quantum Dot Cellular Automata (QCA)

, 2022
Quantum-dot cellular automata (QCA) is one of the promising budding technologies which is able to properly replace the old semiconductor transistor technology at the Nano scale level. It is attractive for its size, fast speed, feature, very scalable, high frequency switching and low power consumption compared to CMOS technology.
Harshith V., K. B. Ramesh
openaire   +2 more sources

Optimized Pseudo Random Bit Generator in QCA Technology

Engineering Reports, Volume 7, Issue 4, April 2025.
The proposed four‐bit LFSR ABSTRACT Quantum Dot Cellular Automata (QCA) technology is one of the new technologies in the field of digital electronics. In this article, for the first time, some unique designs are presented in the most optimal possible state in the QCA technology.
Pezhman Kiani Vosta, Mohammad Gholami, Amard Afzalian   +2 more
wiley   +1 more source

Development of a high-performance arithmetic and logic unit for efficient digital signal processing based on reversible logic and quantum dots

AIP Advances
Digital Signal Processing (DSP) finds a wide range of applications in various fields, including telecommunications, audio and video processing, biomedical engineering, radar systems, and image processing.
Hu Jun, Xiao Wei, Mohammad Anbar
doaj   +1 more source

Fault Tolerant QCA Logic Design With Coupled Majority-Minority Gate

International Journal of Computer Applications, 2010
Synthesis of efficient DFT (Design for Testability) logic is of prime importance in robustly testable design of QCA based logic circuits. An ingenious universal QCA gate structure, Coupled Majority-Minority (CMVMIN) gate, realizes majority and minority functions simultaneously in its 2-outputs.
Mamata Dalui, Bibhash Sen, Biplab k Sikdar   +2 more
openaire   +1 more source

Coplanar High‐Speed and Efficient Multiplier Design for QCA Technology

Journal of Electrical and Computer Engineering, Volume 2025, Issue 1, 2025.
With the continuous expansion of the digital domain and the increasing need for higher chip integration, quantum‐dot cellular automata (QCA) has emerged as a promising alternative to CMOS technology. However, existing QCA designs often face significant challenges, including high delay, large area, and inefficient wire crossing techniques, which limit ...
Reza Abbasi, Reza Omidi, Prince Jain
wiley   +1 more source

Novel Design of Resource‐Constrained Quantum Reversible Logic Gates at Optimal Cost and Depth

Journal of Nanotechnology, Volume 2025, Issue 1, 2025.
Reversible logic computation and optimization of reversible circuits help synthesize applications characterized by ultra‐low power consumption, including quantum information processing, the field of nanotechnology, semiconductor technology, the field of optics, and very‐large‐scale integration (VLSI), among others.
Mamtha Prajapati, Kalyan Babu Killana, Nicola Curreli   +2 more
wiley   +1 more source

An Efficient Layout Design of Fredkin Gate in Quantum-dot Cellular Automata (QCA)

Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2015
Quantum-dot Cellular Automata (QCA) has been considered one of the alternative technologies used in Nanoscale logic design and a promising replacement for conventional Complementary Metal Oxide Semiconductor (CMOS) due to express speed, ultralow power ...
Ali Bahar, Md. Ahsan Habib, Sajjad Waheed   +2 more
doaj