Publications by Edoardo Charbon

A Cryo-CMOS Wideband Mode-Switching Class-F VCO With Harmonic-Resonance Self-Alignment

This article presents a cryogenic mode-switching class-F voltage-controlled oscillator (VCO) aimed at addressing the demand for wideband, low phase noise (PN) local oscillator signals in cryo-CMOS quantum controllers. First, to resolve the issues of manual ...

2025

16-band single-photon imaging sensor based on Fabry-Perot resonance

Olivier Martin, Edoardo Charbon

We have demonstrated a 16 wavelength selective spectral bands imaging sensor-based Fabry-Perot (FP) structure for use in the near-infrared wavelength band (715 nm-915 nm). The designed structure consists of two symmetric SiC/SiO2 distributed Bragg reflecto ...

Optica Publishing Group2025

Multifrequency-resolved Hanbury Brown–Twiss effect

Edoardo Charbon, Claudio Bruschini, Tommaso Milanese, Samuel Burri

The Hanbury Brown–Twiss (HBT) effect holds a pivotal place in intensity interferometry and gave a seminal contribution to the development of quantum optics. To observe such an effect, both good spectral and timing resolutions are necessary. Most often, the ...

AIP Publishing2025

Harnessing Photon Indistinguishability in Quantum Extreme Learning Machines

Edoardo Charbon

This study investigates Quantum Extreme Learning Machines (QELMs), which enhance classical Extreme Learning Machines (ELMs) by incorporating quantum features. ...

IEEE2025

Optimizing photon capture: advancements in amorphous silicon-based microchannel plates

Christophe Ballif, Edoardo Charbon, Claudio Bruschini, Emanuele Ripiccini, Nicolas Würsch, Luca Massimiliano Antognini, Samira Alexandra Frey

Microchannel plates are electron multipliers widely used in applications such as particle detection, imaging, or mass spectrometry and are often paired with a photocathode to enable photon detection. Conventional microchannel plates, made of glass fibers, ...

2025

Teaching single-photon detection metrology with off-the-shelf CMOS SPAD detectors

Edoardo Charbon, Claudio Bruschini, Ekin Kizilkan, Utku Karaca

The fabrication of the first CMOS single-photon avalanche diodes (SPADs) back in 2003 paved the way to a range of photodetection applications based on single-photon detection, photon counting, and photon time-stamping. In turn, it has become more and more ...

SPIE2025

Predicting Important Photons for Energy-Efficient Single-Photon Videography

Edoardo Charbon, Claudio Bruschini

Single-photon avalanche diodes (SPAD) detect individual photons with fine temporal resolutions, enabling capabilities like imaging in near-total darkness, extreme dynamic range, and rapid motion. Due to these capabilities, and coupled with the recent emerg ...

2025

Fast data-driven spectrometer with direct measurement of time and frequency for multiple single photons

Edoardo Charbon, Claudio Bruschini, Samuel Burri

We present a single-photon-sensitive spectrometer based on a linear array of 512 single-photon avalanche diode detectors with 0.04 nm spectral and 40 ps temporal resolutions. We employ a fast data-driven operation that allows direct measurement of time and ...

2025

Self-heating Effects in RF Region of FDSOI MOSFETs at Cryogenic Temperatures

Edoardo Charbon, Christian Enz, Hung-Chi Han

Radio-frequency (RF) circuits are crucial to qubit manipulation, for which transistor self-heating effects may influence performance and possibly change the quantum state. This paper presents an analytical RF model of FDSOI MOSFETs considering dynamic self ...

Institute of Electrical and Electronics Engineers (IEEE)2025

Event Cameras Meet SPADs for High-Speed, Low-Bandwidth Imaging

Edoardo Charbon

Traditional cameras face a trade-off between low-light performance and high-speed imaging: longer exposure times to capture sufficient light results in motion blur, whereas shorter exposures result in Poisson-corrupted noisy images. While burst photography ...

Institute of Electrical and Electronics Engineers (IEEE)2025