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Symmetry is crucial for gaining insights into the fundamental properties of physical systems, bringing possibilities in studying exotic phenomena such as quantum phase transitions and ground state entanglement. Here, we experimentally…

Quantum Physics · Physics 2025-01-13 Xingyu Zhao , Qian Bin , Waner Hou , Yi Li , Yue Li , Yiheng Lin , Xin-You Lü , Jiangfeng Du

Quantum emitters based on atomic defects in layered hexagonal Boron Nitride (hBN) have emerged as promising solid state 'artificial atoms' with atom-like photophysical and quantum optoelectronic properties. Similar to other atom-like…

For high speed ultra-wideband (UWB) communication systems, the multipath interference exhibits a primary obstacle to improve transmission performance. In order to enhance the signal to interference plus noise ratio (SINR) in the receiver, a…

Signal Processing · Electrical Eng. & Systems 2018-01-09 Yang Cao , Chao Luo , Xuanli Wu

The production of ions via laser ablation for the loading of radiofrequency (RF) ion traps is investigated using a nitrogen laser with a maximum pulse energy of 0.17 mJ and a peak intensity of about 250 MW/cm^2. A time-of-flight mass…

Atomic Physics · Physics 2013-08-01 K. Zimmermann , M. V. Okhapkin , O. A. Herrera-Sancho , E. Peik

Global electromagnetic gyrokinetic simulations are performed with the Particle-in-Cell code ORB5 for an ITER Pre-Fusion-Power-Operation (PFPO) plasma scenario, with half-field (2.65 T) and half-current (7.5 MA). We report on a 'multi-scale'…

Plasma Physics · Physics 2022-10-12 T. Hayward-Schneider , Ph. Lauber , A. Bottino , A. Mishchenko

Intelligent reflecting surface (IRS) has recently emerged as a promising technology for beyond fifth-generation (B5G) and 6G networks conceived from metamaterials that smartly tunes the signal reflections via a large number of low-cost…

Information Theory · Computer Science 2023-08-22 Jyotsna Rani , Deepak Mishra , Ganesh Prasad , Ashraf Hossain , Swades De , Kuntal Deka

We demonstrate a broadband mid-infrared (MIR) frequency comb source based on difference frequency generation (DFG) in periodically poled lithium niobate (PPLN) crystal. Mid-infrared radiation is obtained via mixing of the output of a 125…

In this paper important aspects of Lower Hybrid (LH) operation with the ITER Like Wall (ILW) [1] at JET are reported. Impurity release during LH operation was investigated and it was found that there is no significant Be increase with LH…

A fusion reactor requires plasma pre-heating before the rate of deuterium-tritium fusion reactions becomes significant. In ITER, radiofrequency (RF) heating of 3He ions, additionally puffed into the plasma, is one of the main options…

Plasma Physics · Physics 2015-07-27 Y. O. Kazakov , J. Ongena , D. Van Eester , R. Bilato , R. Dumont , E. Lerche , M. Mantsinen , A. Messiaen

A one dimensional model of the magnetic multipole volume plasma source has been developed for use in intense ion/neutral atom beam injectors. The model uses plasma transport coefficients for particle and energy flow to create a detailed…

Plasma Physics · Physics 2015-10-29 E Surrey , A J T Holmes

High-fidelity and parallel realization in scalable platforms of the two-qubit entangling gates fundamental to universal quantum computing constitutes one of the largest challenges in implementing fault-tolerant quantum computation.…

Atomic Physics · Physics 2026-03-17 Aditya Milind Kolhatkar , Karan K. Mehta

Cylindrical implosions driven by intense heavy ions beams should be instrumental in a near future to study High Energy Density Matter. By rotating the beam by means of a high frequency wobbler, it should be possible to deposit energy in the…

Plasma Physics · Physics 2015-06-04 Antoine Bret , Roberto Piriz , Naeem Tahir

Large volume helicon plasma sources are of particular interest for large scale semiconductor processing, high power plasma propulsion and recently plasma-material interaction under fusion conditions. This work is devoted to studying the…

Plasma Physics · Physics 2018-11-30 Lei Chang , Xinyue Hu , Lei Gao , Wei Chen , Xianming Wu , Xinfeng Sun , Ning Hu , Chongxiang Huang

The main role of the ITER Radial Neutron Camera (RNC) diagnostic is to measure in real-time the plasma neutron emissivity profile at high peak count rates for a time duration up to 500 s. Due to the unprecedented high performance conditions…

External matching networks are crucial and necessary for operating capacitively coupled plasmas in order to maximize the absorbed power. Experiments show that external circuits in general heavily interact with the plasma in a nonlinear way.…

Plasma Physics · Physics 2018-11-15 Frederik Schmidt , Thomas Mussenbrock , Jan Trieschmann

Broadband quantum noise reduction can be achieved in gravitational wave detectors by injecting frequency dependent squeezed light into the the dark port of the interferometer. This frequency dependent squeezing can be generated by combining…

Quantum Physics · Physics 2019-10-23 Jacob L. Beckey , Yiqiu Ma , Vincent Boyer , Haixing Miao

Conventional hybrid beamforming architectures are often compared with one another and with the fully-digital architecture under the same \emph{radiated} antenna power. However, the physically relevant budget is the power injected by the…

Signal Processing · Electrical Eng. & Systems 2026-03-19 Nikola Zlatanov , Damir Salakhov

Fusion and advanced fission power plants require advanced nuclear materials to function under new, extreme environments. Understanding the evolution of mechanical and functional properties during radiation damage is essential to the design…

Materials Science · Physics 2020-11-30 Steven Jepeal , Lance Snead , Zachary Hartwig

With more inverter-based resources (IBRs), our power systems have lower frequency nadirs following N-1 contingencies, and undesired under-frequency load shedding (UFLS) can occur. To address this challenge, IBRs can be programmed to provide…

Systems and Control · Electrical Eng. & Systems 2023-08-29 Shuan Dong , Xin Fang , Jin Tan , Ningchao Gao , Xiaofan Cui , Anderson Hoke

A first modeling approximation of the general performance of radiofrequency (RF) switches based on hexagonal boron nitride (hBN), a two-dimensional (2D) dielectric material is presented. The I-V characteristics intrinsic and extrinsic…