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Related papers: Simulations of a multi-layer extended gating grid

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We demonstrate efficient diffraction of intense ultrashort laser pulses using optical-field-ionization-induced plasma-neutral gratings formed by spatially structured ionization of a neutral molecular gas in the interference field of two…

We report here and experimentally demonstrate an actively controlled gatetunable plasmonic metasurface operating in the visible region of the electromagnetic spectrum, where strikingly the operating voltages for reflectance modulation are…

Optics · Physics 2016-07-13 Krishnan Thyagarajan , Ruzan Sokhoyan , Leo Zornberg , Harry Atwater

In this paper, we employ an antireflective coating which comprises of inverted pi shaped metallic grooves to manipulate the behaviour of a TM-polarized plane wave transmitted through a periodic nanoslit array. At normal incidence, such…

Optics · Physics 2012-10-16 Yanxia Cui , Jun Xu , Yinyue Lin , Guohui Li , Yuying Hao , Sailing He , Nicholas X. Fang

Single ion optical clocks have shown systematic frequency uncertainties below $10^{-18}$, but typically require more than one week of averaging to achieve a corresponding statistical uncertainty. This time can be reduced with longer probe…

We identify a possible mechanism of the plasmon instabilities in periodically gated two-dimensional electron systems with a modulated electron density (plasmonic crystals) under direct current. The instability occurs due to the amplified…

Mesoscale and Nanoscale Physics · Physics 2017-01-06 Aleksandr S. Petrov , Dmitry Svintsov , Victor Ryzhii , Michael S. Shur

To operate the ALICE Time Projection Chamber in continuous mode during the Run~3 and Run~4 data-taking periods of the Large Hadron Collider, the multi-wire proportional chamber-based readout was replaced with gas-electron multipliers. As…

High Energy Physics - Experiment · Physics 2023-09-14 ALICE TPC Collaboration

We present the living application, a method to autonomously manage applications on the grid. During its execution on the grid, the living application makes choices on the resources to use in order to complete its tasks. These choices can be…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-09-27 D. Groen , S. Harfst , S. Portegies Zwart

Modern time projection chambers are increasingly based on micro pattern gas detector readout systems. In this paper a self-supporting method used to mount Gas Electron Multiplier foils is presented. It is based on light weight ceramic…

Instrumentation and Detectors · Physics 2015-06-12 Ties Behnke , Ralf Diener , Christoph Rosemann , Lea Steder

This paper critically examines the leakage current reduction techniques for improving the performance of poly-Si TFTs used in active matrix liquid crystal displays. This is a first comprehensive study in literature on this topic. The review…

Mesoscale and Nanoscale Physics · Physics 2010-08-17 Ali A. Orouji , M. Jagadesh Kumar

Artificial gauge fields enable extending the control over dynamics of uncharged particles, by engineering the potential landscape such that the particles behave as if effective external fields are acting on them. Recent years have witnessed…

A capacitor consisting of the [bmim][NTf$_2$] ionic liquid (IL) confined in between planar graphite electrodes has been investigated by molecular dynamics based on an all-atom, unpolarizable force field. Despite a few peculiarities due to…

We have extended the classical over-barrier model to simulate the neutralization dynamics of highly charged ions interacting under grazing incidence with conducting and insulating surfaces. Our calculations are based on simple model rates…

Atomic Physics · Physics 2009-10-30 Jens J. Ducree , Fulvio Casali , Uwe Thumm

An experimental strong increase of the reflection loss (from 25 up to 35 dBs) and an extension of the absorption bandwidth up to 20% is measured in a set of novel functional bilayer systems. We focus our work on studying the samples in an…

We present theoretical and numerical analysis of a plasmonic-dielectric hybrid system for symmetric and asymmetric coupling between silver cut-wire pairs and silicon grating waveguide with periodic grooves. The results show that both…

Optics · Physics 2015-05-20 Bin Tang , Lei Dai , Chun Jiang

Electrostatic gating is essential for defining and control of semiconducting devices. However, nano-fabrication processes required for depositing gates inevitably degrade the pristine quality of the material of interest. Examples of…

Mesoscale and Nanoscale Physics · Physics 2016-08-22 Arjan J. A. Beukman , Fanming Qu , Ken W. West , Loren N. Pfeiffer , Leo P. Kouwenhoven

Two-dimensional (2D) topological electronic insulators are known to give rise to gapless edge modes, which underlie low energy dynamics, including electrical and thermal transport. This has been thoroughly investigated in the context of…

Mesoscale and Nanoscale Physics · Physics 2022-05-10 Udit Khanna , Yuval Gefen , Ora Entin-Wohlman , Amnon Aharony

Various bandstructure engineering methods have been studied to improve the performance of graphitic transparent conductors; however none demonstrated an increase of optical transmittance in the visible range. Here we measure in situ optical…

We show evidence of the backscattering of quantum Hall edge channels in a narrow graphene Hall bar, induced by the gating effect of the conducting tip of a Scanning Gate Microscope, which we can position with nanometer precision. We show…

Mesoscale and Nanoscale Physics · Physics 2017-11-17 Lennart Bours , Stefano Guiducci , Alina Mreńca-Kolasińska , Bartłomiej Szafran , Jan C Maan , Stefan Heun

Imbalanced voltage sharing during the turn-off transient is a challenge for series-connected silicon carbide (SiC) MOSFET application. This article first discusses the influence of the gate-drain discharge deviation on the voltage imbalance…

Systems and Control · Electrical Eng. & Systems 2020-09-17 Ye Zhou , Xu Wang , Liang Xian , Dan Yang

We experimentally demonstrate electromagnetically induced transparency and light storage with ultracold 87Rb atoms in a Mott insulating state in a three dimensional optical lattice. We have observed light storage times of about 240 ms, to…

Quantum Physics · Physics 2010-06-21 U. Schnorrberger , J. D. Thompson , S. Trotzky , R. Pugatch , N. Davidson , S. Kuhr , I. Bloch