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Quantum computers may one day enable the efficient simulation of strongly coupled plasmas that lie beyond the reach of classical computation in regimes where quantum effects are important and the scale separation is large. In this article,…

Quantum Physics · Physics 2026-03-03 Bhuvanesh Sundar , Bram Evert , Vasily Geyko , Andrew Patterson , Ilon Joseph , Yuan Shi

We describe the hardware, gateware, and software developed at Raytheon BBN Technologies for dynamic quantum information processing experiments on superconducting qubits. In dynamic experiments, real-time qubit state information is fedback…

Quantum Physics · Physics 2017-11-22 Colm A. Ryan , Blake R. Johnson , Diego Ristè , Brian Donovan , Thomas A. Ohki

Current quantum programs are mostly synthesized and compiled on the gate-level, where quantum circuits are composed of quantum gates. The gate-level workflow, however, introduces significant redundancy when quantum gates are eventually…

The ability to control spins in semiconductors is important in a variety of fields including spintronics and quantum information processing. Due to the potentially fast dephasing times of spins in the solid state [1-3], spin control…

Spatiotemporal modulation offers a variety of opportunities for light manipulations. In this paper, we propose a way towards arbitrary transformation for pulses sequentially propagating within one waveguide in space via temporal waveguide…

Optics · Physics 2023-11-15 Zhaohui Dong , Xianfeng Chen , Luqi Yuan

Cost-effective and programmable photonic-driven solutions like electronic counterparts (FPGAs) can be implemented using waveguide mesh architectures along with tunable couplers for routing to implement general-purpose photonic processors.…

Emerging Technologies · Computer Science 2022-12-29 Tushar Gaur , Gopalkrishna Hegde , Talabatulla Srinivas

A critical ingredient for realizing large-scale quantum information processors will be the ability to make economical use of qubit control hardware. We demonstrate an extensible strategy for reusing control hardware on same-frequency…

Quantum Physics · Physics 2016-11-21 S. Asaad , C. Dickel , S. Poletto , A. Bruno , N. K. Langford , M. A. Rol , D. Deurloo , L. DiCarlo

Integrated photonics is a remarkable platform for scalable classical and quantum light-based information processing. However, polarization manipulation on a chip despite of its fundamental significance in information processing remains…

Quantum Physics · Physics 2023-11-28 Fyodor Morozko , Andrey Novitsky , Alexander Mikhalychev , Alina Karabchevsky

We perform comprehensive experimental tests of various composite pulse sequences using one of open-access IBM's quantum processors, based on superconducting transmon qubits. We implement explicit pulse control of the qubit by making use of…

Quantum Physics · Physics 2022-02-22 Boyan T. Torosov , Nikolay V. Vitanov

In this work we propose a novel device for controlling the flow of information using Weyl fermions. Based on a previous work of our group, we show that it is possible to fully control the flow of Weyl fermions on several different channels,…

Combining the features of molecular wires and femtosecond laser pulses gives the unique opportunity to optically switch electron currents in molecular devices with very high speed. Based on a weak-coupling approximation between wire and…

Mesoscale and Nanoscale Physics · Physics 2007-08-22 GuangQi Li , Sven Welack , Michael Schreiber , Ulrich Kleinekathoefer

Growing energy demands of modern digital devices necessitate alternative, low-power computing mechanisms. When incident loads take the form of acoustic or vibrational waves, the ability to mechanically process information eliminates the…

Applied Physics · Physics 2026-04-03 Ali Jafari , Mohamed Mousa , Mostafa Nouh

Single flux quantum pulses are a natural candidate for on-chip control of superconducting qubits. We show that they can drive high-fidelity single-qubit rotations---even in leaky transmon qubits---if the pulse sequence is suitably…

Quantum Physics · Physics 2016-09-07 Per J. Liebermann , Frank K. Wilhelm

Topological phononics enabling backscattering-immune transport is expected to improve the performance of electromechanical systems for classical and quantum information technologies. Nonetheless, most of the previous demonstrations utilized…

Mesoscale and Nanoscale Physics · Physics 2024-08-05 Daiki Hatanaka , Hiroaki Takeshita , Motoki Kataoka , Hajime Okamoto , Kenji Tsuruta , Hiroshi Yamaguchi

A wide variety of positioning and ranging procedures are based on repeatedly sending electromagnetic pulses through space and measuring their time of arrival. This paper shows that quantum entanglement and squeezing can be employed to…

Quantum Physics · Physics 2009-11-07 V. Giovannetti , S. Lloyd , L. Maccone

The ability of pulse-shaping devices to generate accurately quantum optimal control is a strong limitation to the development of quantum technologies. We propose and demonstrate a systematic procedure to design robust digital control…

Quantum Physics · Physics 2022-10-18 Meri Harutyunyan , Frederic Holweck , Dominique Sugny , Stephane Guerin

The rapid evolution of artificial intelligence (AI) is leading to a new generation of hardware accelerators optimized for deep learning. Some of the designs of these accelerators are general enough to allow their use for other…

Computational Engineering, Finance, and Science · Computer Science 2019-12-18 Fantine Huot , Yi-Fan Chen , Robert Clapp , Carlos Boneti , John Anderson

We consider a network of smart sensors for an edge computing application that sample a time-varying signal and send updates to a base station for remote global monitoring. Sensors are equipped with sensing and compute, and can either send…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-11 Luca Ballotta , Giovanni Peserico , Francesco Zanini , Paolo Dini

The advantages of quantum pulses over quantum gates have attracted increasing attention from researchers. Quantum pulses offer benefits such as flexibility, high fidelity, scalability, and real-time tuning. However, while there are…

We propose an AE-based transceiver for a WDM system impaired by hardware imperfections. We design our AE following the architecture of conventional communication systems. This enables to initialize the AE-based transceiver to have similar…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Jinxiang Song , Christian Häger , Jochen Schröder , Alexandre Graell i Amat , Henk Wymeersch