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Edoardo Charbon

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Publications associées (443)

Fluorescence lifetime imaging with a single-photon SPAD array using long overlapping gates: an experimental and theoretical study

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

Developing large arrays of single-photon avalanche diodes (SPADs) with on-chip time-correlated single-photon counting (TCSPC) capabilities continues to be a difficult task due to stringent silicon real estate constraints, high data rates and system complex ...

2019

Benefits and Challenges of Designing Cryogenic CMOS RF Circuits for Quantum Computers

Edoardo Charbon, Fabio Sebastiano, Harald Arjan Robert Homulle

Accurate and low-noise generation and amplification of microwave signals are required for the manipulation and readout of quantum bits (qubits). A fault-tolerant quantum computer operates at deep cryogenic temperatures (i.e.,

IEEE2019

Subthreshold Mismatch in Nanometer CMOS at Cryogenic Temperatures

Edoardo Charbon, Fabio Sebastiano

Cryogenic device models are essential for the reliable design of the cryo-CMOS interface that enables large-scale quantum computers. In this paper, mismatch characterization and modeling of a 40-nm bulk CMOS process over the 4.2-300 K temperature range is ...

IEEE2019

Optical-stack optimization for improved SPAD photon detection efficiency

Claudio Bruschini, Rolando Ferrini, Edoardo Charbon, Frédéric Zanella, Marc Schnieper, Scott Anthony Lindner, Ivan Michel Antolovic, Arin Can Ülkü, Ekin Kizilkan

Single-photon avalanche diodes (SPADs) are direct photon-to-digital detectors that enable scalable arrays with Poisson-limited signal-to-noise ratio and picosecond timing resolution. However, SPAD detectors require a guard-ring structure to prevent lateral ...

2019

Hybrid superconductor-semiconductor electronics

Edoardo Charbon, Simone Frasca

An ultrahigh-impedance superconducting switch could be used to integrate superconducting systems and CMOS control circuitry. ...

NATURE PUBLISHING GROUP2019

Plug-and-play TOF-PET Module Readout Based on TDC-on-FPGA and Gigabit Optical Fiber Network

Edoardo Charbon, Esteban Venialgo Araujo

Positron Emission Tomography (PET) scanner technology requires the use of a large number of PET detector modules that work in a parallel and synchronous manner. Moreover, system modularity is a desirable feature, that enables technology reutilization for d ...

IEEE2019

First Near-Ultraviolet- and Blue-Enhanced Backside-Illuminated Single-Photon Avalanche Diode Based on Standard SOI CMOS Technology

Claudio Bruschini, Edoardo Charbon, Myung Jae Lee

We present the world's first backside-illuminated (BSI) single-photon avalanche diode (SPAD) based on standard silicon-on-insulator (SOI) complementary metal-oxide semiconductor (CMOS) technology. This SPAD achieves a good dark count rate (DCR) after backs ...

2019

A 30-frames/s, 252 x 144 SPAD Flash LiDAR With 1728 Dual-Clock 48.8-ps TDCs, and Pixel-Wise Integrated Histogramming

Edoardo Charbon, Juan Mata Pavia, Scott Anthony Lindner, Ivan Michel Antolovic, Chunmin Zhang, Martin Wolf

A 252 x 144 single-photon avalanche diode (SPAD) pixel sensor, called Ocelot, is reported for light detection and ranging (LiDAR). The sensor, fabricated in the 180-nm CMOS technology, features 1728 12-bit time-to-digital converters (TDCs) with 48.8-ps res ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

Modeling and Analysis of a Direct Time-of-Flight Sensor Architecture for LiDAR Applications

Edoardo Charbon, Chunmin Zhang, Preethi Padmanabhan

Direct time-of-flight (DTOF) is a prominent depth sensing method in light detection and ranging (LiDAR) applications. Single-photon avalanche diode (SPAD) arrays integrated in DTOF sensors have demonstrated excellent ranging and 3D imaging capabilities, ma ...

2019

Quantum correlation measurement with single photon avalanche diode arrays

Claudio Bruschini, Edoardo Charbon, Ivan Michel Antolovic

Temporal photon correlation measurement, instrumental to probing the quantum properties of light, typically requires multiple single photon detectors. Progress in single photon avalanche diode (SPAD) array technology highlights their potential as high-perf ...

2019

Single-photon avalanche diode imagers in biophotonics: review and outlook

Claudio Bruschini, Edoardo Charbon, Samuel Burri, Ivan Michel Antolovic, Harald Arjan Robert Homulle

Single-photon avalanche diode (SPAD) arrays are solid-state detectors that offer imaging capabilities at the level of individual photons, with unparalleled photon counting and time-resolved performance. This fascinating technology has progressed at a very ...

2019

A 6.5-GHz Cryogenic All-Pass Filter Circulator in 40-nm CMOS for Quantum Computing Applications

Edoardo Charbon, Fabio Sebastiano, Andrea Ruffino, Yatao Peng

Cryogenic solid-state quantum processors require classical control and readout electronics; to achieve compactness and scalability, cryogenic integrated circuits have been recently proposed for this goal. Circulators are widely used in readout circuits, ho ...

2019

Photoluminescence Lifetime Sensor Pixels using SPADs and Silicon LEDs in Commercial CMOS

Edoardo Charbon

Here we report the first known integration of CMOS fabricated silicon light-emitting diodes (SiLED) with single photon avalanche diodes (SPAD) for monolithic optics-free photoluminescence lifetime sensor pixel. We show preliminary results of the photo-exci ...

IEEE2019

The role of cryo-CMOS in quantum computers

Edoardo Charbon

IEEE2019

A Close-in LiDAR for Diffusive Media based on a 32 × 32 CMOS SPAD Image Sensor

Claudio Bruschini, Edoardo Charbon, Scott Anthony Lindner, Chunmin Zhang, Martin Wolf

2019

A Bit Too Much? High Speed Imaging from Sparse Photon Counts

Claudio Bruschini, Edoardo Charbon, Samuel Burri

Recent advances in photographic sensing technologies have made it possible to achieve light detection in terms of a single photon. Photon counting sensors are being increasingly used in many diverse applications. We address the problem of jointly recoverin ...

IEEE2019

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

Edoardo Charbon, Preethi Padmanabhan, Myung Jae Lee, Augusto Ronchini Ximenes

This article introduces a modular, direct time-of-flight (TOF) depth sensor. Each module is digitally synthesized and features a 2

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8) single-photon avalanche diode (SPAD) pixel array, an edge-sensitive decision tree, a shared time-to ...

2019

Oscillator arrangement for time-to-digital converter for large array of time-of-flight image sensor devices

Edoardo Charbon, Preethi Padmanabhan, Augusto Ronchini Ximenes

An oscillator arrangement for time-to-digital converters for a 3D image sensor device includes a plurality of oscillators arranged as an array each oscillator being associated to one time-to-digital converter, and at least one coupling unit respectively ar ...

2019

A 512 x 512 SPAD Image Sensor With Integrated Gating for Widefield FLIM

Claudio Bruschini, Edoardo Charbon, Ivan Michel Antolovic, Arin Can Ülkü

In this paper, we report on SwissSPAD2, an image sensor with 512 x 512 photon-counting pixels, each comprising a single-photon avalanche diode (SPAD), a 1-b memory, and a gating mechanism capable of turning the SPAD ON and OFF, with a skew of 250 and 344 p ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

Analysis on Noise Requirements of RF Front-End Circuits for Spin Qubit Readout

Edoardo Charbon, Andrea Ruffino, Yatao Peng

ICLAB2019

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