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As the world enters the age of ubiquitous computing, the need for reconfigurable hardware operating close to the fundamental limits of energy consumption becomes increasingly pressing. Simultaneously, scaling-driven performance improvements…

新兴技术 · 计算机科学 2017-09-14 Alexantrou Serb , Ali Khiat , Themis Prodromakis

Quantum addition circuits are considered being of two types: 1) Toffolli-adder circuits which use only classical reversible gates (CNOT and Toffoli), and 2) QFT-adder circuits based on the quantum Fourier transformation. We present the…

量子物理 · 物理学 2022-11-09 Alexandru Paler

We consider the problem of constructing fast and small parallel prefix adders for non-uniform input arrival times. This problem arises whenever the adder is embedded into a more complex circuit, e. g. a multiplier. Most previous results are…

硬件体系结构 · 计算机科学 2014-11-12 Stephan Held , Sophie Spirkl

Reversible logic gates were previously implemented in superconducting circuits as adiabatic-reversible gates, which are powered with a sufficiently slow clock. In contrast, we are studying ballistic-reversible gates, where fluxons serve to…

量子物理 · 物理学 2021-02-03 Kevin D. Osborn , Waltraut Wustmann

I describe the use of techniques based on composite rotations to combat systematic errors in controlled phase gates, which form the basis of two qubit quantum logic gates. Although developed and described within the context of Nuclear…

量子物理 · 物理学 2007-05-23 Jonathan A. Jones

We demonstrate the proof of principle for a ternary adder using silicon metal-on-insulator single electron transistors (SET). Gate dependent rectifying behavior of a single electron transistor results in a robust three-valued output as a…

介观与纳米尺度物理 · 物理学 2015-05-30 J. A. Mol , J. van der Heijden , J. Verduijn , M. Klein , F. Remacle , S. Rogge

Multi-valued logic gates, which can handle quaternary numbers as inputs, are developed by exploiting the ballistic transport properties of quantum point contacts in series. The principle of a logic gate that finds the minimum of two…

介观与纳米尺度物理 · 物理学 2014-02-26 M. Seo , C. Hong , S. -Y. Lee , H. K. Choi , N. Kim , Y. Chung , V. Umansky , D. Mahalu

High-fidelity logical \emph{T}-gate realization constitutes a core prerequisite for large-scale fault-tolerant quantum computing. However, conventional magic state distillation requires massive physical qubit overhead across successive…

量子物理 · 物理学 2026-05-04 Cheng-Yun Ding , Li-Hua Zhang , Jian Zhou

The paper presents a systematic study and implementation of a reconfigurable combinatorial multi-operand adder for use in Deep Learning systems. The size of carry changes with the number of operands and hence a reliable algorithm to…

硬件体系结构 · 计算机科学 2020-08-10 Shilpa Mayannavar , Uday Wali

This article presents two area/latency optimized gate level asynchronous full adder designs which correspond to early output logic. The proposed full adders are constructed using the delay-insensitive dual-rail code and adhere to the…

硬件体系结构 · 计算机科学 2016-04-15 P Balasubramanian , S Yamashita

Optimal synthesis of reversible functions is a non-trivial problem. One of the major limiting factors in computing such circuits is the sheer number of reversible functions. Even restricting synthesis to 4-bit reversible functions results…

量子物理 · 物理学 2012-08-21 Oleg Golubitsky , Dmitri Maslov

Adder cells using Gate Diffusion Technique (GDI) & PTL-GDI technique are described in this paper. GDI technique allows reducing power consumption, propagation delay and low PDP (power delay product) whereas Pass Transistor Logic (PTL)…

硬件体系结构 · 计算机科学 2012-07-13 Rajkumar Sarma , Veerati Raju

It is well known that most of the frequently used reversible logic gates (e.g., NOT, CNOT, SWAP, Toffoli, Fredkin) are self-inverse and are represented by square matrices that are unitary and Hermitian. However, with a simple minded…

量子物理 · 物理学 2017-02-21 Anirban Pathak

Memristors have been suggested as a novel route to neuromorphic computing based on the similarity between them and neurons (specifically synapses and ion pumps). The d.c. action of the memristor is a current spike which imparts a short-term…

新兴技术 · 计算机科学 2015-10-21 Ella Gale

This paper proposes a Low-Power, Energy Efficient 4-bit Binary Coded Decimal (BCD) adder design where the conventional 4-bit BCD adder has been modified with the Clock Gated Power Gating Technique. Moreover, the concept of DVT (Dual-vth)…

硬件体系结构 · 计算机科学 2016-11-18 Dipankar Saha , Subhramita Basak , Sagar Mukherjee , C. K. Sarkar

Quantum circuits of many qubits are extremely difficult to realize; thus, the number of qubits is an important metric in a quantum circuit design. Further, scalable and reliable quantum circuits are based on Clifford + T gates. An efficient…

量子物理 · 物理学 2017-06-19 Edgard Muñoz-Coreas , Himanshu Thapliyal

Optimal synthesis of reversible functions is a non-trivial problem. One of the major limiting factors in computing such circuits is the sheer number of reversible functions. Even restricting synthesis to 4-bit reversible functions results…

量子物理 · 物理学 2010-03-10 Oleg Golubitsky , Sean M. Falconer , Dmitri Maslov

Arithmetic operations are an important component of many quantum algorithms. As such, coming up with optimized quantum circuits for these operations leads to more efficient implementations of the corresponding algorithms. In this paper, we…

量子物理 · 物理学 2026-03-20 Priyanka Mukhopadhyay , Alexandru Gheorghiu , Hari Krovi

Circuit representation learning has become pivotal in electronic design automation, enabling critical tasks such as testability analysis, logic reasoning, power estimation, and SAT solving. However, existing models face significant…

机器学习 · 计算机科学 2025-05-21 Ziyang Zheng , Shan Huang , Jianyuan Zhong , Zhengyuan Shi , Guohao Dai , Ningyi Xu , Qiang Xu

The end of Moore's law for CMOS technology has prompted the search for low-power computing alternatives, resulting in several promising proposals based on magnetic logic[1-8]. One approach aims at tailoring arrays of nanomagnetic islands in…

介观与纳米尺度物理 · 物理学 2021-09-08 Pieter Gypens , Jonathan Leliaert , Massimiliano Di Ventra , Bartel Van Waeyenberge , Daniele Pinna