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Edoardo Charbon

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Developing photodetectors for future RICH particle detector applications

Edoardo Charbon, Claudio Bruschini, Ming-Lo Wu, Utku Karaca, Won Yong Ha

The proposed next generation of particle physics experiments utilizing ring imaging Cherenkov detectors (RICH) will require photodetectors with 100 ps timing, mm2 granularity, large active area and the ability to operate in increasingly harsh environments. ...

SPIE2025

A CRYO-CMOS RF-DAC Based Super-Heterodyne Transmitter for Superconducting Qubit Control

Edoardo Charbon

Multiple Qubits should be manipulated to perform practical quantum computing, which requires a broad frequency range for the qubit control chip. We present a 4 K cryo-CMOS quantum control chip featuring a Mixing (MIX)/ Non-return-to-zero (NRZ) mode radio f ...

Institute of Electrical and Electronics Engineers Inc.2025

Characterizing and exploiting cross-talk effect in SPAD arrays for two-photon interference

Edoardo Charbon, Claudio Bruschini, Tommaso Milanese

SPAD arrays are becoming a popular choice for measuring two-photon interference effects thanks to their high timing precision, fast readout, and high quantum efficiency. However, such sensors are affected by cross-talk that may mimic the useful signal. Eve ...

SPIE2025

SwissSPAD2/3: a family of natively digital, time gated SPAD cameras with continuous streaming at up to 100 kpfs and picosecond system-level synchronization for quantum imaging applications

Edoardo Charbon, Claudio Bruschini, Andrei Ardelean, Paul Mos, Arin Can Ülkü

The SwissSPAD2/3 camera family is based on quarter megapixel single-photon avalanche diode (SPAD) time gated imagers. The 16.38-µm low-noise pixels feature a single-bit memory and built-in all-solid-state nanosecond time gating without the need for externa ...

SPIE2024

Subsurface fluorescence time-of-flight imaging using a large-format single-photon avalanche diode sensor for tumor depth assessment

Edoardo Charbon, Claudio Bruschini, Arin Can Ülkü, Yichen Feng

Significance: Fluorescence guidance is used clinically by surgeons to visualize anatomical and/or physiological phenomena in the surgical field that are difficult or impossible to detect by the naked eye. Such phenomena include tissue perfusion or molecula ...

SPIE Society of Photo-optical Instrumentation Engineers2024

High voltage arbitrary waveform generator

Edoardo Charbon, Halil Kerim Yildirim

High voltage arbitrary waveform generator (1) comprising: - a voltage-controlled oscillator (3) arranged to output a clock signal (CLK) and an inverted clock signal (Formula (I)) at a frequency determined by at least one control voltage (Formula (II)); - a ...

2024

A review of recent developments on CMOS single-photon avalanche diode-based cameras for biomedical time-resolved applications

Edoardo Charbon, Claudio Bruschini

All-solid-state time-resolved cameras based on CMOS single-photon avalanche diode (SPAD) arrays have made very significant advances since the fabrication of the first CMOS SPADs back in 2003. These natively digital sensors are now available in large format ...

SPIE2024

Planar 16-band metasurface-enhanced spectral filter for integrated image sensing

Olivier Martin, Edoardo Charbon

We study theoretically and demonstrate experimentally a 16 -band narrow band wavelength selective filter in the near -infrared range. The combination of a pair of distributed Bragg reflectors with a sub -wavelength grating metasurface embedded in the intra ...

Optica Publishing Group2024

1.8-µm pitch, 47-ps jitter SPAD array in a 130 nm SiGe BiCMOS process

Edoardo Charbon

We introduce the world’s first SPAD family design in 130 nm SiGe BiCMOS process. At 1.8 µm, we achieved the smallest pitch on record thanks to guard-ring sharing techniques, while keeping a relatively high fill factor of 24.2%. 4×4 SPAD arrays with two par ...

2024

Deep blood flow extraction for diffuse correlation spectroscopy at photon-starved regimes using SPAD arrays

Edoardo Charbon, Claudio Bruschini, Michael Alan Wayne

Diffuse correlation spectroscopy (DCS) is an optical technique that allows for non-invasive measurements of tissue perfusion, and is often used for neuromonitoring applications. However, a major challenge of DCS is low SNR for deep tissue measurements. Rec ...

2024

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SwissSPAD2/3: a family of natively digital, time gated SPAD cameras with continuous streaming at up to 100 kpfs and picosecond system-level synchronization for quantum imaging applications

Edoardo Charbon, Claudio Bruschini, Andrei Ardelean, Paul Mos, Arin Can Ülkü

SPIE2024

Subsurface fluorescence time-of-flight imaging using a large-format single-photon avalanche diode sensor for tumor depth assessment

Edoardo Charbon, Claudio Bruschini, Arin Can Ülkü, Yichen Feng

SPIE Society of Photo-optical Instrumentation Engineers2024

A review of recent developments on CMOS single-photon avalanche diode-based cameras for biomedical time-resolved applications

Edoardo Charbon, Claudio Bruschini

SPIE2024

1.8-µm pitch, 47-ps jitter SPAD array in a 130 nm SiGe BiCMOS process

Edoardo Charbon

2024

Planar 16-band metasurface-enhanced spectral filter for integrated image sensing

Olivier Martin, Edoardo Charbon

Optica Publishing Group2024