Emilio A. Nanni
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View article: Integrated millimeter-wave cavity electro-optic transduction
Integrated millimeter-wave cavity electro-optic transduction Open
Emerging communications and computing technologies will rely ever-more on expanding the useful radio frequency spectrum into the millimeter-wave and terahertz frequency range. Both classical and quantum applications would benefit from adva…
View article: Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays
Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays Open
Cavity quantum electrodynamics (QED) is a powerful tool in quantum science, enabling preparation of nonclassical states of light and scalable entanglement of many atoms coupled to a single field mode. While the most coherent atom-photon in…
View article: Phase Transition Dynamics Induced by Strong Radio-Frequency Fields in ReBCO High Temperature Superconductors
Phase Transition Dynamics Induced by Strong Radio-Frequency Fields in ReBCO High Temperature Superconductors Open
Probing the dynamics of superconductor phase transitions induced by strong electromagnetic fields is vital to designing high power devices leveraging these materials. The development of high temperature superconductors (HTS) is particularl…
View article: Next generation direct RF sampling LLRF control and monitoring system for linear accelerators
Next generation direct RF sampling LLRF control and monitoring system for linear accelerators Open
The low-level RF (LLRF) systems for linear accelerating structures are typically based on heterodyne architectures. The linear accelerators normally have many RF stations and multiple RF inputs and outputs for each station, so the complexi…
View article: Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays
Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays Open
Raw data in support of "Optically accessible high-finesse millimeter-wave resonator for cavity quantum electrodynamics with atom arrays" [arXiv:2506.05804].
View article: Three-dimensional reconstruction of THz near-fields from a LiNbO<sub>3</sub> optical rectification source
Three-dimensional reconstruction of THz near-fields from a LiNbO<sub>3</sub> optical rectification source Open
Terahertz (THz) generation by optical rectification in LiNbO 3 (LN) is a widely used technique for generating intense THz radiation. The spatiotemporal characterization of THz pulses from these sources is currently limited to far-field met…
View article: Three-dimensional reconstruction of THz near-fields from a LiNbO$_3$ optical rectification source
Three-dimensional reconstruction of THz near-fields from a LiNbO$_3$ optical rectification source Open
Terahertz (THz) generation by optical rectification in LiNbO$_3$ (LN) is a widely used technique for generating intense THz radiation. The spatiotemporal characterization of THz pulses from these sources is currently limited to far-field m…
View article: High Precision RF Pulse Shaping with Direct RF Sampling for Future Linear Accelerators
High Precision RF Pulse Shaping with Direct RF Sampling for Future Linear Accelerators Open
In various of particle accelerator designs, amplitude and phase modulation methods are commonly applied to shape the RF pulses for implementing pulse compressors or compensating for the fluctuations introduced by the high-power RF componen…
View article: Next Generation LLRF Control and Monitoring System for S-Band Linear Accelerators
Next Generation LLRF Control and Monitoring System for S-Band Linear Accelerators Open
The low-level RF (LLRF) systems for S-band linear accelerating structures are typically implemented with heterodyne base architectures. We have developed and characterized the next generation LLRF (NG-LLRF) based on the RF system-on-chip (…
View article: Integrated sub-terahertz cavity electro-optic transduction
Integrated sub-terahertz cavity electro-optic transduction Open
Emerging communications and computing technologies will rely ever-more on expanding the useful radio frequency (RF) spectrum into the sub-THz and THz frequency range. Both classical and quantum applications would benefit from advancing int…
View article: ESPPU INPUT: C$^3$ within the "Linear Collider Vision"
ESPPU INPUT: C$^3$ within the "Linear Collider Vision" Open
The Linear Collider Vision calls for a Linear Collider Facility with a physics reach from a Higgs Factory to the TeV-scale with $e^+e^{-}$ collisions. One of the technologies under consideration for the accelerator is a cold-copper distrib…
View article: HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration
HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration Open
HALHF is a hybrid linear collider that uses electron-driven plasma-wakefield acceleration to accelerate electrons to high energy while using radio-frequency cavity technology to accelerate positrons. The most cost-effective solution collid…
View article: A Compact Low-level RF Control System for Advanced Concept Compact Electron Linear Accelerator
A Compact Low-level RF Control System for Advanced Concept Compact Electron Linear Accelerator Open
A compact low-level RF (LLRF) control system based on RF system-on-chip (RFSoC) technology has been designed for the Advanced Concept Compact Electron Linear-accelerator (ACCEL) program, which has challenging requirements in both RF perfor…
View article: HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration. Backup Document
HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration. Backup Document Open
This document expands on the Comprehensive Summary submitted to the EPPSU 2026. It contains details on aspects of the HALHF project that could not be fitted into the Summary. Some sections contain work that is still preliminary and/or stat…
View article: Quantum limits of superconducting-photonic links and their extension to millimeter waves
Quantum limits of superconducting-photonic links and their extension to millimeter waves Open
Photonic addressing of superconducting circuits has been proposed to overcome wiring complexity and heat-load challenges. However, such superconducting-photonic links suffer from an efficiency-noise trade-off that limits scalability. This …
View article: Quantum limits of superconducting-photonic links and their extension to mm-waves
Quantum limits of superconducting-photonic links and their extension to mm-waves Open
Photonic addressing of superconducting circuits has been proposed to overcome wiring complexity and heat load challenges, but superconducting-photonic links suffer from an efficiency-noise trade-off that limits scalability. This trade-off …
View article: Luminosity and beam-induced background studies for the Cool Copper Collider
Luminosity and beam-induced background studies for the Cool Copper Collider Open
A high-energy electron-positron collider has been widely recognized by the particle physics community to be the next crucial step for detailed studies of the Higgs boson and other fundamental particles and processes. Several proposals for …
View article: An engineering prototype of a late stage ionization cooling cell for a muon collider
An engineering prototype of a late stage ionization cooling cell for a muon collider Open
Achieving the low emittances necessary for a muon collider requires ionization cooling. Much of that cooling occurs in compact cooling cells where superconducting coils and conventional RF cavities are closely interleaved [1]. The real cha…
View article: A High-Flux Compact X-ray Free-Electron Laser for Next-Generation Chip Metrology Needs
A High-Flux Compact X-ray Free-Electron Laser for Next-Generation Chip Metrology Needs Open
Recently, considerable work has been directed at the development of an ultracompact X-ray free-electron laser (UCXFEL) based on emerging techniques in high-field cryogenic acceleration, with attendant dramatic improvements in electron beam…
View article: Improved temporal resolution in ultrafast electron diffraction measurements through THz compression and time-stamping
Improved temporal resolution in ultrafast electron diffraction measurements through THz compression and time-stamping Open
We present an experimental demonstration of ultrafast electron diffraction (UED) with THz-driven electron bunch compression and time-stamping that enables UED probes with improved temporal resolution. Through THz-driven longitudinal bunch …
View article: Radio Frequency Properties of a 3D Printed Klystron Circuit
Radio Frequency Properties of a 3D Printed Klystron Circuit Open
The manufacturing of active RF devices like klystrons is dominated by expensive and time-consuming cycles of machining and brazing. In this article, we characterize the RF properties of X-band klystron cavities and an integrated circuit ma…
View article: Luminosity Studies for the Cool Copper Collider
Luminosity Studies for the Cool Copper Collider Open
Achieving high instantaneous luminosity while managing the beaminduced background (BIB) is critical for the successful operation of any future electron-positron ( e + e − ) collider. In this work, we summarize the first extensive luminosit…
View article: The alignment of the accelerator modules of the Cool Copper Collider C<sup>3</sup> with the Rasnik 3-point alignment system
The alignment of the accelerator modules of the Cool Copper Collider C<sup>3</sup> with the Rasnik 3-point alignment system Open
For C 3 , some 2000 accelerator modules must be 5D positioned, within 10 µm transversal, on a 2.3 km long straight line, for both linacs. In the Rasnik alignment system, light from a point-like monochromatic source falls on a zone lens, fo…
View article: Next Generation LLRF Control Platform for Compact C-band Linear Accelerator
Next Generation LLRF Control Platform for Compact C-band Linear Accelerator Open
The Low-Level RF (LLRF) control circuits of linear accelerators (LINACs) are conventionally realized with heterodyne based architectures, which have analog RF mixers for up and down conversion with discrete data converters. We have develop…
View article: Future high energy colliders and options for the U.S.
Future high energy colliders and options for the U.S. Open
The United States has a rich history in high energy particle accelerators and colliders — both lepton and hadron machines, which have enabled several major discoveries in elementary particle physics. To ensure continued progress in the fie…
View article: A high-flux compact X-ray free-electron laser for next-generation chip metrology needs
A high-flux compact X-ray free-electron laser for next-generation chip metrology needs Open
Recently, considerable work has been directed at development of a ultra-compact X-ray free-electron laser based on emerging techniques in high field cryogenic acceleration, with attendant dramatic improvements in electron beam brightness, …