119 citations · 433 across the 15 of their papers we have counts for
17 papers
Electrons herald non-classical light
Germaine Arend, Guanhao Huang, Armin Feist +9
Free electrons are a widespread and universal source of electromagnetic fields. The past decades witnessed ever-growing control over many aspects of electron-generated radiation, f…
Unifying frequency metrology across microwave, optical, and free-electron domains
Yujia Yang, Paolo Cattaneo, Arslan S. Raja +6
Frequency metrology lies at the heart of precision measurement. Optical frequency combs provide a coherent link uniting the microwave and optical domains in the electromagnetic spe…
Free-electron interaction with nonlinear optical states in microresonators
Yujia Yang, Jan-Wilke Henke, Arslan S. Raja +10
The short de Broglie wavelength and strong interaction empower free electrons to probe scattering and excitations in materials and resolve the structure of biomolecules. Recent adv…
Electron Emission Regimes of Planar Nano Vacuum Emitters
Marco Turchetti, Yujia Yang, Mina R. Bionta +4
Recent advancements in nanofabrication have enabled the creation of vacuum electronic devices with nanoscale free space gaps. These nanoelectronic devices promise the benefits of c…
PHz Electronic Device Design and Simulation for Waveguide-Integrated Carrier-Envelope Phase Detection
Dario Cattozzo Mor, Yujia Yang, Felix Ritzkowsky +4
Carrier-envelope phase (CEP) detection of ultrashort optical pulses and low-energy waveform field sampling have recently been demonstrated using direct time-domain methods that exp…
Nanoantenna Design for Enhanced Carrier-Envelope-Phase Sensitivity
Drew Buckley, Yujia Yang, Yugu Yang-Keathley +2
Optical-field emission from nanostructured solids such as subwavelength nanoantennas can be leveraged to create sub-femtosecond, PHz-scale electronics for optical-field detection.…
Refractory doped titanium nitride nanoscale field emitters
Alberto Nardi, Marco Turchetti, Wesley A. Britton +5
Refractory materials exhibit high damage tolerance, which is attractive for the creation of nanoscale field-emission electronics and optoelectronics applications that require opera…
Impact of DC bias on Weak Optical-Field-Driven Electron Emission in Nano-Vacuum-Gap Detectors
Marco Turchetti, Mina R. Bionta, Yujia Yang +5
In this work, we investigate multiphoton and optical-field tunneling emission from metallic surfaces with nanoscale vacuum gaps. Using time-dependent Schrodinger equation (TDSE) si…
On-chip sampling of optical fields with attosecond resolution
Mina R. Bionta, Felix Ritzkowsky, Marco Turchetti +6
Time-domain sampling of arbitrary electric fields with sub-cycle resolution enables a complete time-frequency analysis of a system's response to electromagnetic illumination. This…
Electron-Energy Loss of Ultraviolet Plasmonic Modes in Aluminum Nanodisks
Yujia Yang, Richard G. Hobbs, Phillip D. Keathley +1
We theoretically investigated electron energy loss spectroscopy (EELS) of ultraviolet surface plasmon modes in aluminum nanodisks. Using full-wave simulations, we studied the impac…
Nanostructured-membrane electron phase plates
Yujia Yang, Chung-Soo Kim, Richard G. Hobbs +2
Electron beams can acquire designed phase modulations by passing through nanostructured material phase plates. These phase modulations enable electron wavefront shaping and benefit…
Light Phase Detection with On-Chip Petahertz Electronic Networks
Yujia Yang, Marco Turchetti, Praful Vasireddy +6
Ultrafast light-matter interactions lead to optical-field-driven photocurrents with an attosecond-level temporal response. These photocurrents can be used to detect the carrier-env…
Antiresonance-Like Behavior in Carrier-Envelope-Phase-Sensitive Optical-Field Photoemission from Plasmonic Nanoantennas
P. D. Keathley, W. P. Putnam, P. Vasireddy +4
Given the quasi-static nature of optical-field emission and the nontrivial dependence of the emission rate on the instantaneous electric field strength, the CEP-sensitive component…
An Efficient Two-Port Electron Beam Splitter via Quantum Interaction-Free Measurement
Yujia Yang, Chung-Soo Kim, Richard G. Hobbs +2
Semi-transparent mirrors are standard elements in light optics for splitting light beams or creating two versions of the same image. Such mirrors do not exist in electron optics, a…
XPS studies of nitrogen doping niobium used for accelerator applications
Ziqin Yang, Xiangyang Lu, Weiwei Tan +5
Nitrogen doping study on niobium (Nb) samples used for the fabrication of superconducting radio frequency (SRF) cavities was carried out. The samples' surface treatment was attempt…
Smith-Purcell Radiation from Low-Energy Electrons
Aviram Massuda, Charles Roques-Carmes, Yujia Yang +6
Recent advances in the fabrication of nanostructures and nanoscale features in metasurfaces offer a new prospect for generating visible, light emission from low energy electrons. I…
Designs for a Quantum Electron Microscope
Pieter Kruit, Richard G. Hobbs, Chung-Soo Kim +11
One of the astounding consequences of quantum mechanics is that it allows the detection of a target using an incident probe, with only a low probability of interaction of the probe…