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Generally, a standard bunching system is composed by a SW pre-buncher, a TW buncher and a standard accelerating section. However, there is one way to simplify the whole system to some extent by using the hybrid buncher, which is a combined…

Accelerator Physics · Physics 2013-07-04 Pei Shi-Lun , Xiao Ou-Zheng

Distributed quantum computing leverages the collective power of multiple quantum devices to perform computations exceeding the capabilities of individual quantum devices. A currently studied technique to enable this distributed approach is…

Quantum Physics · Physics 2025-03-27 Marvin Bechtold , Johanna Barzen , Frank Leymann , Alexander Mandl , Felix Truger

In this paper, we introduce a backscatter assisted wirelessly powered mobile edge computing (MEC) network, where each edge user (EU) can offload task bits to the MEC server via hybrid harvest-then-transmit (HTT) and backscatter…

Information Theory · Computer Science 2020-09-28 Liqin Shi , Yinghui Ye , Xiaoli Chu , Guangyue Lu

Recent experiments [1] have explored the use of a free-electron laser (FEL) as a buncher for a microwave two-beam accelerator, and the subsequent driving of a standing-wave rf output cavity. Here we present a deeper analysis of the…

Accelerator Physics · Physics 2014-11-18 S. Lidia , J. Gardelle , T. Lefevre , J. T. Donohue , P. Gouard , J. L. Rullier , C. Vermare

The extraction bucket position in the Fermilab Booster is controlled with a cogging process that involves the comparison of the Booster RF count and the Recycler Ring revolution marker. A one RF bucket jitter in the extraction bucket…

Accelerator Physics · Physics 2017-09-22 K. Seiya , C. Drennan , W. Pellico , S. Chaurize

We presented a novel concept of longitudinal bunch train compression capable of manipulating relativistic electron beam in range of hundreds of meters. This concept has the potential to compress the electron beam generated by conditional…

Accelerator Physics · Physics 2023-06-16 An Li , Jiaru Shi , Hao Zha , Qiang Gao , Liuyuan Zhou , Huaibi Chen

A hybrid pixel detector based on the concept of simultaneous charge integration and photon counting will be presented. The second generation of a counting and integrating X-ray prototype CMOS chip (CIX) has been operated with different…

Instrumentation and Detectors · Physics 2009-11-13 H. Krüger , J. Fink , E. Kraft , N. Wermes , P. Fischer , I. Peric , C. Herrmann , M. Overdick , W. Rütten

A new scheme to produce very low emittance muon beams using a positron beam of about 45~GeV interacting on electrons on target is presented. One of the innovative topics to be investigated is the behaviour of the positron beam stored in a…

Accelerator Physics · Physics 2018-08-01 M. Boscolo , M. Antonelli , O. R. Blanco-Garcia , S. Guiducci , S. Liuzzo , P. Raimondi , F. Collamati

Complex mesoscopic systems play increasingly important roles in modern science -- from understanding biological functions at the molecular level, to designing solid-state information processing devices. The operation of these systems…

Quantum Physics · Physics 2016-09-16 Felix A. Pollock , Agata Chęcińska , Saverio Pascazio , Kavan Modi

We introduce a circuit-QED architecture combining fixed-frequency qubits and microwave-driven couplers. In the appropriate frame, the drive parameters appear as tunable knobs enabling selective two-qubit coupling and coherent-error…

Fast kicker magnets are used to inject beam into and eject beam out of the CERN accelerator rings. These kickers are generally transmission line type magnets with a rectangular shaped aperture through which the beam passes. Unless special…

Accelerator Physics · Physics 2011-10-11 Hugo Day , Michael Barnes , Fritz Caspers , Elias Metral , Benoit Salvant , Carlo Zannini , Roger Jones

We report our comparison study on the first stage electron bunch compression schemes at 750 MeV using a conventional and a double C-chicane for the X-ray free electron laser (XFEL) under development for the Matter-Radiation Interactions in…

Accelerator Physics · Physics 2022-09-22 Haoran Xu , Leanne D. Duffy , Quinn R. Marksteiner , Petr M. Anisimov

In this paper, we perform receiver design for a diffusive molecular communication environment. Our model includes flow in any direction, sources of information molecules in addition to the transmitter, and enzymes in the propagation…

Information Theory · Computer Science 2014-10-17 Adam Noel , Karen C. Cheung , Robert Schober

A novel dynamic hybrid beamforming architecture is proposed to achieve the spatial multiplexing-power consumption tradeoff for near-field multiple-input multiple-output (MIMO) networks, where each radio frequency (RF) chain is connected to…

Information Theory · Computer Science 2023-12-27 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Jian Chen , Tony Q. S. Quek

General-purpose programmable photonic processors provide a flexible foundation for integrating various functionalities within a single chip. A two-dimensional bricks waveguide mesh of Mach Zehnder interferometers has been demonstrated to…

Quantum Physics · Physics 2026-05-26 Jacek Gosciniak

Short dephasing times pose one of the main challenges in realizing a quantum computer. Different approaches have been devised to cure this problem for superconducting qubits, a prime example being the operation of such devices at optimal…

Mesoscale and Nanoscale Physics · Physics 2007-10-14 Jens Koch , Terri M. Yu , Jay Gambetta , A. A. Houck , D. I. Schuster , J. Majer , Alexandre Blais , M. H. Devoret , S. M. Girvin , R. J. Schoelkopf

Recently, edge caching and multicasting arise as two promising technologies to support high-data-rate and low-latency delivery in wireless communication networks. In this paper, we design three transmission schemes aiming to minimize the…

Information Theory · Computer Science 2019-03-18 Shiwen He , Ju Ren , Jiaheng Wang , Yongming Huang , Yaoxue Zhang , Weihua Zhuang , Sherman , Shen

Wideband extremely large-scale multiple-input-multiple-output (XL-MIMO) is a promising technique to achieve Tbps data rates in future 6G systems through beamforming and spatial multiplexing. Due to the extensive bandwidth and the huge…

Information Theory · Computer Science 2022-05-11 Mingyao Cui , Linglong Dai , Zhaocheng Wang , Shidong Zhou , Ning Ge

In this paper, beam training and beam tracking are investigated for extremely large-scale multiple-input-multiple-output communication systems with partially-connected hybrid combining structures. Firstly, we propose a two-stage…

Information Theory · Computer Science 2023-11-28 Kangjian Chen , Chenhao Qi , Cheng-Xiang Wang , Geoffrey Ye Li

State-of-the-art trainable machine translation evaluation metrics like xCOMET achieve high correlation with human judgment but rely on large encoders (up to 10.7B parameters), making them computationally expensive and inaccessible to…

Computation and Language · Computer Science 2024-11-11 Daniil Larionov , Mikhail Seleznyov , Vasiliy Viskov , Alexander Panchenko , Steffen Eger