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The rapid evolution of wearable technologies, such as AR glasses, demands compact, energy-efficient sensors capable of high-precision measurements in dynamic environments. Traditional Frequency-Modulated Continuous Wave (FMCW) Laser…

Signal Processing · Electrical Eng. & Systems 2025-06-13 Alexander Zimmer , Johannes Meyer , Enkelejda Kasneci

We propose and demonstrate reconfigurable fractional microwave signal processing based on an integrated Kerr optical microcomb. We achieve two forms of microwave signal processing functions, a fractional Hilbert transform as well as a…

We present a parsimonious and robust machine learning approach for identifying plasma confinement states in fusion power plants (FPPs) where reliable identification of the low-confinement (L-mode) and high-confinement (H-mode) regimes is…

A central unresolved question in fusion energy research is whether energetic alpha particles, the primary products of deuterium-tritium fusion reactions, enhance or degrade plasma confinement. In burning plasmas, the operating regime of…

This paper introduces a novel atmospheric pressure and frequency-tunable microwave plasma jet utilizing evanescent-mode cavity resonator technology. The design uses a substrate-integrated waveguide approach, where two PCB substrates are…

Plasma Physics · Physics 2024-12-18 Kazi Sadman Kabir , Abbas Semnani

The encoding of qubits in semiconductor spin carriers has been recognised as a promising approach to a commercial quantum computer that can be lithographically produced and integrated at scale. However, the operation of the large number of…

The generation of intense, femtosecond-scale X-ray pulses is crucial for probing matter under extreme temporal and field conditions. Current chirped-pulse amplification (CPA) techniques in free-electron lasers (FELs), however, face…

Accelerator Physics · Physics 2025-06-02 Mingchang Wang , Li Zeng , Bingbing Zhang , Qinghao Zhu , Xiaozhe Shen , Xiaofan Wang , Qinming Li , Weiqing Zhang

The quest to enhance the sensitivity of electron spin resonance (ESR) is an ongoing challenge. One potential strategy involves increasing the frequency, for instance, moving from Q-band (approximately 35 GHz) to W-band (approximately 94…

Chemical Physics · Physics 2024-11-22 Moamen Jbara , Oleg Zgadzai , Wolfgang Harneit , Aharon Blank

Current experiments aimed at measuring the polarization of the Cosmic Microwave Background (CMB) use cryogenic detector arrays and cold optical systems to boost the mapping speed of the sky survey. For these reasons, large volume cryogenic…

Instrumentation and Methods for Astrophysics · Physics 2022-04-27 S. Masi , E. S. Battistelli , P. de Bernardis , C. Chapron , F. Columbro , G. D'Alessandro , M. De Petris , L. Grandsire , J. -Ch. Hamilton , S. Marnieros , L. Mele , A. May , A. Mennella , C. O'Sullivan , A. Paiella , F. Piacentini , M. Piat , L. Piccirillo , G. Presta , A. Schillaci , A. Tartari , J. -P. Thermeau , S. A. Torchinsky , F. Voisin , M. Zannoni , P. Ade , J. G. Alberro , A. Almela , G. Amico , L. H. Arnaldi , D. Auguste , J. Aumont , S. Azzoni , S. Banfi , B. Bélier , A. Baù , D. Bennett , L. Bergé , J. -Ph. Bernard , M. Bersanelli , M. -A. Bigot-Sazy , J. Bonaparte , J. Bonis , E. Bunn , D. Burke , D. Buzi , F. Cavaliere , P. Chanial , R. Charlassier , A. C. Cobos Cerutti , A. Coppolecchia , G. De Gasperis , M. De Leo , S. Dheilly , C. Duca , L. Dumoulin , A. Etchegoyen , A. Fasciszewski , L. P. Ferreyro , D. Fracchia , C. Franceschet , M. M. Gamboa Lerena , K. M. Ganga , B. García , M. E. García Redondo , M. Gaspard , D. Gayer , M. Gervasi , M. Giard , V. Gilles , Y. Giraud-Heraud , M. Gómez Berisso , M. González , M. Gradziel , M. R. Hampel , D. Harari , S. Henrot-Versillé , F. Incardona , E. Jules , J. Kaplan , C. Kristukat , L. Lamagna , S. Loucatos , T. Louis , B. Maffei , W. Marty , A. Mattei , M. McCulloch , D. Melo , L. Montier , L. Mousset , L. M. Mundo , J. A. Murphy , J. D. Murphy , F. Nati , E. Olivieri , C. Oriol , F. Pajot , A. Passerini , H. Pastoriza , A. Pelosi , C. Perbost , M. Perciballi , F. Pezzotta , G. Pisano , M. Platino , G. Polenta , D. Prêle , R. Puddu , D. Rambaud , E. Rasztocky , P. Ringegni , G. E. Romero , J. M. Salum , C. G. Scóccola , S. Scully , S. Spinelli , G. Stankowiak , M. Stolpovskiy , A. D. Supanitsky , P. Timbie , M. Tomasi , G. Tucker , C. Tucker , D. Viganò , N. Vittorio , F. Wicek , M. Wright , A. Zullo

We present a theoretical study of single-qubit operations by oscillatory fields on various semiconductor platforms. We explicitly show how to perform faster gate operations by going beyond the universally-used rotating wave approximation…

Mesoscale and Nanoscale Physics · Physics 2016-07-22 Yang Song , J. P. Kestner , Xin Wang , S. Das Sarma

We present the results of an industry-grade fabrication of superconducting qubits on 200 mm wafers utilizing CMOS-established processing methods. By automated waferprober resistance measurements at room temperature, we demonstrate a…

The electron density close to the extraction grids and the co-extracted electrons represent a crucial issue when operating negative ion sources for fusion reactors. An excessive electron density in the plasma expansion region can indeed…

Plasma Physics · Physics 2023-03-29 R. Agnello , R. Cavazzana , I. Furno , R. Jacquier , R. Pasqualotto , E. Sartori , G. Serianni

Due to the periodic characteristics of SQUIDs, a suitable linearization technique is required for SQUID-based readout. Flux-ramp modulation is a common linearization technique and is typically applied for the readout of a…

Signal Processing · Electrical Eng. & Systems 2022-10-05 N. Karcher , T. Muscheid , T. Wolber , D. Richter , C. Enss , S. Kempf , O. Sander

CEA/IRFM is conducting R\&D efforts in order to validate the critical RF components of the 5 GHz ITER LHCD system, which is expected to transmit 20 MW of RF power to the plasma. Two 5 GHz 500 kW BeO pill-box type window prototypes have been…

We present here our recent results on qubit reset scheme based on a quantum-circuit refrigerator (QCR). In particular, we use the photon-assisted quasiparticle tunneling through a…

A microwave cavity is described which can be used to cool lepton plasmas for potential use in synthesis of antihydrogen. The cooling scheme is an incarnation of the Purcell Effect: when plasmas are coupled to a microwave cavity, the plasma…

Instrumentation and Detectors · Physics 2016-10-04 N. Evetts , I. Martens , D. Bizzotto , D. Longuevergne , W. N. Hardy

One superconducting taper-type half-wave resonator (HWR) with frequency of 162.5MHz, \b{eta} of 0.09 has been developed at Peking University, which is used to accelerate high current proton ($\sim$ 100mA) and $D^{+}$($\sim$ 50mA). The radio…

Accelerator Physics · Physics 2015-07-20 Peiliang Fan , Feng Zhu , Hutianxiang Zhong , Shengwen Quan , Kexin Liu

We develop several algorithms for performing quantum phase estimation based on basic measurements and classical post-processing. We present a pedagogical review of quantum phase estimation and simulate the algorithm to numerically determine…

Quantum Physics · Physics 2013-07-30 Krysta M. Svore , Matthew B. Hastings , Michael Freedman

The EuPRAXIA project aims to construct two state-of-the-art accelerator facilities based on plasma accelerator technology. Plasma-based accelerators offer the possibility of a significant reduction in facility size and cost savings over…

Fermilab recently completed production and testing of 1.3 GHz cryomodules for the LCLS-II project. Each cryomodule consists of eight TESLA-shaped superconducting elliptical cavities equipped with two High Order Mode (HOM) coupler ports.…

Accelerator Physics · Physics 2024-08-21 A. Lunin , T. Khabiboulline , A. Sukhanov , V. Yakovlev