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We consider the model of quantum computer, which is represented as a Ising spin lattice, where qubits (spin-half systems) are separated by the isolators (two spin-half systems). In the idle mode or at the single bit operations the total…

Quantum Physics · Physics 2009-11-13 G. F. Mkrtchian

Communication between sensors, actors and Programmable Logic Controllers (PLCs) in industrial systems moves from two-wire field buses to IP-based protocols such as Modbus/TCP. This increases the attack surface because the IP-based network…

Cryptography and Security · Computer Science 2019-08-13 Matthias Niedermaier , Martin Striegel , Felix Sauer , Dominik Merli , Georg Sigl

We report an accurate measurement of the phase noise of a thermally limited electronic oscillator at 300 K. By thermally limited we mean that the white signal-to-noise ratio of the oscillator is at or near the level generated by the thermal…

Instrumentation and Detectors · Physics 2017-01-13 Archita Hati , Craig W. Nelson , David Pappas , David A. Howe

We have investigated coherent time evolution of pseudo-molecular states of an isolated (leadless) silicon double quantum-dot, where operations are carried out via capacitively-coupled elements. Manipulation is performed by short pulses…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 J. Gorman , D. G. Hasko , D. A. Williams

With the ever-increasing pervasiveness of the cloud computing paradigm, strong isolation guarantees and low performance overhead from isolation platforms are paramount. An ideal isolation platform offers both: an impermeable isolation…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-10-25 Vincent van Rijn , Jan S. Rellermeyer

This work proposes an energy-efficient Directional Modulation (DM) scheme for on-body Internet of Things (IoT) devices. DM performance is tested using a 5-port stacked-patch MIMO antenna under two scenarios: a free space case and using a…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Abel Zandamela , Nicola Marchetti , Adam Narbudowicz

Using digital standard cells and digital place-and-route (PnR) tools, we created a 20 GS/s, 8-bit analog-to-digital converter (ADC) for use in high-speed serial link applications with an ENOB of 5.6, a DNL of 0.96 LSB, and an INL of 2.39…

Hardware Architecture · Computer Science 2020-09-22 Sung-Jin Kim , Zachary Myers , Steven Herbst , ByongChan Lim , Mark Horowitz

Hybrid analog/digital precoding in millimeter-wave (mmWave) multi-input multi-ouput (MIMO) systems is capable of achieving the near-optimal full-digital performance at reduced hardware cost and power consumption compared to its full-RF…

Information Theory · Computer Science 2020-11-26 Chenghao Feng , Wenqian Shen , Xinyu Gao , Jianping An , Lajos Hanzo

A polarization-independent reconfigurable frequency selective rasorber (FSR)/absorber with low insertion loss based on diodes is proposed in this paper. The presented structure consists of a lossy layer based on square loops and a bandpass…

Applied Physics · Physics 2020-08-11 Jing Yuan , Xiangkun Kong , Xuemeng Wang , Shunliu Jiang , Lingqi Kong

Distributed model predictive control (DMPC) has attracted extensive attention as it can explicitly handle system constraints and achieve optimal control in a decentralized manner. However, the deployment of DMPC strategies generally…

Systems and Control · Electrical Eng. & Systems 2025-11-21 Kaixiang Zhang , Yongqiang Wang , Ziyou Song , Zhaojian Li

Hybrid analog-digital precoding significantly reduces the hardware costs in massive MIMO transceivers when compared to fully-digital precoding at the expense of increased transmit power. In order to mitigate the above shortfall, we use the…

Signal Processing · Electrical Eng. & Systems 2019-07-24 Ganapati Hegde , Christos Masouros , Marius Pesavento

A low-power, compact device for performing measurements in electrical systems with isolated voltage domains is proposed. Isolated measurements are required in numerous applications. For instance, a measurement of the bus voltage for a…

Signal Processing · Electrical Eng. & Systems 2024-03-01 Peter Weber , Antonia Papandreou-Suppappola

This paper presents the first hardware implementation of the Datagram Transport Layer Security (DTLS) protocol to enable end-to-end security for the Internet of Things (IoT). A key component of this design is a reconfigurable prime field…

Cryptography and Security · Computer Science 2019-07-11 Utsav Banerjee , Andrew Wright , Chiraag Juvekar , Madeleine Waller , Arvind , Anantha P. Chandrakasan

This paper presents a configurable lattice cryptography processor which enables quantum-resistant security protocols for IoT. Efficient sampling architectures, coupled with a low-power SHA-3 core, provide two orders of magnitude energy…

Cryptography and Security · Computer Science 2019-03-13 Utsav Banerjee , Abhishek Pathak , Anantha P. Chandrakasan

We describe a method to fabricate clean suspended single-wall carbon nanotube (SWCNT) transistors hosting a single quantum dot ranging in length from a few 10s of nm down to $\approx$ 3 nm. We first align narrow gold bow-tie junctions on…

Mesoscale and Nanoscale Physics · Physics 2012-08-15 J. O. Island , V. Tayari , S. Yigen , A. C. McRae , A. R. Champagne

Network-distributed optimization has attracted significant attention in recent years due to its ever-increasing applications. However, the classic decentralized gradient descent (DGD) algorithm is communication-inefficient for large-scale…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-09 Xin Zhang , Jia Liu , Zhengyuan Zhu , Elizabeth S. Bentley

A scaled-up quantum computer will require a highly efficient control interface that autonomously manipulates and reads out large numbers of qubits, which for solid-state implementations are usually held at millikelvin (mK) temperatures.…

We present a design for a superconducting, on-chip circulator composed of dynamically modulated transfer switches and delays. Design goals are set for the multiplexed readout of superconducting qubits. Simulations of the device show that it…

Quantum Physics · Physics 2019-04-24 Benjamin J. Chapman , Eric I. Rosenthal , K. W. Lehnert

Optical isolators are essential for laser protection and robust signal routing, but the incorporation of the necessary magneto-optic (MO) materials in foundries has remained a challenge. As an alternative, several integrated non-magnetic…

Optics · Physics 2026-03-10 Gwan In Kim , Violet Workman , Oğulcan E. Örsel , Jieun Yim , Gaurav Bahl

This article reports on the first step in a focused program to re-optimize radio astronomy receiver architecture to better take advantage of the latest advancements in commercial digital technology. Specifically, an L-Band…

Instrumentation and Methods for Astrophysics · Physics 2015-05-18 Matthew A. Morgan , J. Richard Fisher
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