activity
20142026
most citedOn-chip sampling of optical fields with attosecond resolution

119 citations · 451 across the 26 of their papers we have counts for

collaborators

27 papers

physics.optics2026

Compact Circuit Models for Nanoantenna-Based Lightwave Electronics

Adina Bechhofer, Felix Ritzkowsky, Karl K. Berggren +1

As the field of nanoscale lightwave electronics matures from centering around fundamental science to focusing on device engineering, there is a growing need for compact models that…

physics.optics2026

All-Optical Field-Resolved Spectroscopy With Interferometric Nonlinear Cross-Correlations

Felix Ritzkowsky, Gian Luca Dolso, Benjamin Mazur +2

Direct time-domain measurements of electric fields enable sub-cycle spectroscopy of light-matter interactions, but established techniques such as electro-optic sampling are constra…

physics.app-ph2026★ 1 cited

Reconfigurable Superconducting Logic for On-Chip Photon Coincidence Detection

Gabriel Le Guay, Matteo Castellani, Reed Foster +5

Scaling photonic quantum-information platforms requires arrays of superconducting nanowire single-photon detectors (SNSPDs) for feedforward control, in which optical operations are…

physics.optics2026

Enhanced Mid-Infrared Single-Photon Detection with Antenna-Coupled Superconducting Nanowires

Dip Joti Paul, Stewart Koppell, Gregor G. Taylor +7

Scaling the photon-detection area of superconducting nanowire single-photon detectors (SNSPDs) has traditionally been achieved by nanowire meandering. However, material inhomogenei…

cond-mat.supr-con2026

Fast Real-Axis Eliashberg Calculations: Full-bandwidth solutions beyond the constant density of states approximation

Alejandro Simon, James Shi, Dominik Spath +10

Experimentally relevant signatures of superconductivity require access to real-frequency quantities, such as the spectral functions, optical response, and transport properties, yet…

cond-mat.supr-con2026

Ultrafast dynamics and light-induced superconductivity from first principles

Alejandro Simon, James Shi, Eva Kogler +9

Experiments on superconducting materials have unveiled unique emergent properties when they are driven far from equilibrium. However, a quantitative first-principles treatment that…

physics.ins-det2024★ 1 cited

Electron Energy Loss Spectroscopy of 2D Materials in a Scanning Electron Microscope

John W. Simonaitis, Joseph A. Alongi, Benjamin Slayton +3

This work demonstrates electron energy loss spectroscopy of 2D materials in a 1-30 keV electron microscope, observing 100-times stronger electron-matter coupling relative to 125 ke…

physics.app-ph2024

Analysis and Applications of a Heralded Electron Source

Stewart A. Koppell, John W. Simonaitis, Maurice A. R. Krielaart +3

We analytically describe the noise properties of a heralded electron source made from a standard electron gun, a weak photonic coupler, a single photon counter, and an electron ene…

physics.optics2023★ 3 cited

Large Area Optical Frequency Detectors for Single-Shot Phase Readout

Felix Ritzkowsky, Matthew Yeung, Engjell Bebeti +9

Attosecond science has demonstrated that electrons can be controlled on the sub-cycle time scale of an optical wave, paving the way toward optical frequency electronics. Using cont…

physics.app-ph2022★ 9 cited

Reduced ITO for Transparent Superconducting Electronics

Emma Batson, Marco Colangelo, John Simonaitis +6

Absorption of light in superconducting electronics is a major limitation on the quality of circuit architectures that integrate optical components with superconducting components.…

physics.optics2022★ 11 cited

Uncovering Extreme Nonlinear Dynamics in Solids Through Time-Domain Field Analysis

Phillip D. Keathley, Simon V. B. Jensen, Matthew D. Yeung +2

Time-domain analysis of harmonic fields with sub-cycle resolution is now experimentally viable due to the emergence of sensitive, on-chip techniques for petahertz-scale optical-fie…

physics.optics2022★ 2 cited

Free-electron-light interactions in nanophotonics

Charles Roques-Carmes, Steven E. Kooi, Yi Yang +7

When impinging on optical structures or passing in their vicinity, free electrons can spontaneously emit electromagnetic radiation, a phenomenon generally known as cathodoluminesce…

physics.app-ph2022★ 36 cited

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…

physics.optics2021★ 3 cited

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…

physics.optics2021★ 48 cited

Strong-field Coherent Control of Isolated Attosecond Pulse Generation

Yudong Yang, Roland E. Mainz, Giulio Maria Rossi +5

Attosecond science promises to reveal the most fundamental electronic dynamics occurring in matter and it can develop further by meeting two linked technological goals related to h…

physics.optics2021★ 11 cited

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.…

physics.ins-det2021★ 8 cited

Precise, Sub-Nanosecond, and High-Voltage Switching of Complex Loads Enabled by Gallium Nitride Electronics

John W. Simonaitis, Benjamin Slayton, Yugu Yang-Keathley +2

In this work, we report the use of commercial Gallium Nitride (GaN) power electronics to precisely switch complex distributed loads, such as electron lenses and deflectors, without…

physics.app-ph2020

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…

physics.optics2020★ 12 cited

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…

physics.optics2020★ 119 cited

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…

physics.optics2020★ 12 cited

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…

physics.app-ph2020★ 3 cited

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…

physics.optics2019★ 56 cited

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…

physics.ins-det2019★ 5 cited

Single-Photon Single-Flux Coupled Detectors

Murat Onen, Marco Turchetti, Brenden A. Butters +3

In this work, we present a novel device that is a combination of a superconducting nanowire single-photon detector and a superconducting multi-level memory. We show that these devi…