June 4th – 6th 2024
The International SPAD Sensor Workshop (ISSW) focuses on the study, modeling, design, fabrication, and characterization of Single-Photon Avalanche Diode (SPAD) sensors. The workshop welcomes all researchers, practitioners, and educators interested in SPADs, SPAD imagers, and associated applications, not only in imaging but also in other fields.
Steering Committee
- Claudio Bruschini EPFL AQUA, Switzerland
- Edoardo Charbon EPFL AQUA, Switzerland
- Robert K Henderson Edinburgh University, United Kingdom
- Myung-Jae Lee KIST, Korea
- Sara Pellegrini ST Microelectronics, United Kingdom
- Jean-François Pratte University of Sherbrooke, CA
- David Stoppa Sony Semiconductor Solutions, Italy
- Alberto Tosi Politecnico di Milano, Italy
Day 1 – Tuesday, June 4, 2024
09:00 Workshop Welcome and Introduction
09:20 Session 1 – SPAD technologies and devices (chair: Myung-Jae Lee, co-chair: Sara Pellegrini)
- R01.1 – Recent advances in SPAD sensor technology: pixel size shrinking and PDE enhancement
Presenter: Jun Ogi (Sony Semiconductor Solutions Corporation) - R01.2 – FBK roadmap towards the next-generation of 3D-integrated SiPM and SPAD technologies
Presenter: Alberto Gola (Fondazione Bruno Kessler – FBK) - R01.3 – Invited – Rethinking boundaries: 3D integration and advanced packaging as performance drivers
Presenter: Perceval Coudrain (CEA) - R01.4 – A 55nm BCDLite® FSI SPAD with Improved NIR Sensitivity and DCR
Presenter: Francesco Gramuglia (Global Foundries)
14:00 Session 2 – InGaAs/InP SPAD devices (chair: Sara Pellegrini, co-chair: Alberto Tosi)
- R02.1 – Low-noise InGaAs/InP SPAD with photon detection efficiency exceeding 50% at 1550 nm
Presenter: Fabio Telesca (Politecnico di Milano) - R02.2 – 10-μm InGaAsP/InP SPADs for 1064 nm detection with 36% PDP and 118 ps timing jitter
Presenter: Utku Karaca (EPFL)
16:05 Session 3 – SPAD modeling (chair: Alberto Tosi, co-chair: Myung-Jae Lee)
- R03.1 – Avalanche build-up field and its impact on the SPAD pulse width and inter-pulse-time distributions
Presenter: Denis Rideau (STMicroelectronics) - R03.2 – Transient Measurements of Avalanche Dynamics and Quenching in SPADs
Presenter: Wilfried Uhring (ICube & University of Strasbourg)
16:55 Session 4 – Poster session #1 (see below) (chair: David Stoppa, co-chair: Claudio Bruschini)
Day 2 – Wednesday, June 5, 2024
08:40 Workshop Welcome
08:45 Session 5 – LiDAR (chair: David Stoppa, co-chair: Leonardo Gasparini)
- R05.1 – Invited – Lidar design considerations for self-driving cars
Presenter: Simon Verghese (Waymo) - R05.2 – Invited – Developing InP SWIR SPAD arrays for an automotive Geiger-mode lidar
Presenter: Mark Itzler (Luminar) - R05.3 – High-speed, Underwater 3D Imaging with an In-Pixel Histogramming SPAD
Presenter: Istvan Gyongy (University of Edinburgh) - R05.4 – Invited – CMOS Flash LiDAR Sensors with In-pixel Zoom Histogramming TDC Architectures
Presenter: Seong-Jin Kim (Ulsan National Institute of Science and Technology & SolidVUE) - R05.5 – Comparison of SPAD, SiPM and APD performance for ToF LiDAR application
Presenter: Andrii Nagai (onsemi)
13:50 Session 6 – Smartphone and edge computing (chair: Robert Henderson, co-chair: Edoardo Charbon)
- R06.1 – Physical and Cost Comparison of Smartphone Laser Autofocus Solutions
Presenter: Peter Bonanno (Yole Group) - R06.2 – A monolithic BSI time-of-flight sensor supporting a resolution of up to 160×120 pixels with on-chip data processing enabling stand-alone or sensor fusion applications
Presenter: Robert Kappel (ams-OSRAM) - R06.3 – Invited – A New Vision Chip with SPAD Imaging and Spiking Neural Network Processing
Presenter: Liyuan Liu (Chinese Academy of Sciences)
15:35 Session 7 – Poster session #2 (see below) (chair: Sara Pellegrini, co-chair: Alberto Tosi)
Day 3 – Thursday, June 6, 2024
09:00 Workshop Welcome
09:05 Session 8 – SPADs & photonic integrated circuits (chair: Edoardo Charbon, co-chair: Sara Pellegrini)
- R08.1 – Silicon SPAD monolithically integrated with SiON-based photonic circuit
Presenter: Fabio Acerbi (Fondazione Bruno Kessler – FBK) - R08.2 – Direct coupling of a laser-written photonic integrated circuit to a SPAD array
Giulio Gualandi (Politecnico di Milano)
10:55 Session 9 – Medical & quantum applications (chair: Claudio Bruschini, co-chair: Robert Henderson)
- R09.1 – Invited – Applications of CMOS SPAD arrays in clinical imaging and spectroscopy
Presenter: Michael Tanner (Heriot-Watt University) - R09.2 – Enhancing Chemiluminescence-Detection with Dark-Count Rate Optimization Strategies for SPADs in Conventional CMOS Technologies
Presenter: Benjamin Saft (IMMS) - R09.3 – Invited – Quantum imaging with SPAD array cameras
Presenter: Alexander Demuth (ICFO)
14:55 Session 10 – Time to digital converters (chair: Leonardo Gasparini, co-chair: Claudio Bruschini)
- R10.1 – A PVT-Insensitive Body-Biased Time-to-Digital Converter in 28nm FD-SOI CMOS Technology
Presenter: Yining Wang (University of Edinburgh) - R10.2 – Cascaded Vernier Time-to-Digital Converter : Toward Integration in an Array
Presenter: Guillaume Théberge-Dupuis (Université de Sherbrooke)
15:45 Workshop closing remarks
16:00 Workshop ends
Poster Program
Day 1 – Tuesday, June 4, 2024
Session 4 – Poster session #1
16:55 Flash presentations (chair: David Stoppa, co-chair: Claudio Bruschini)
17:30 Poster session (2h)
- P1.01 – A Guard Ring-Optimized Single-Photon Avalanche Diode with 70% PDP at 420 nm in 55 nm BCD Technology
Presenter: Hyun-Seung Choi (Korea Institute of Science and Technology – KIST) - P1.02 – Back-Illuminated Non-Isolated Single-Photon Avalanche Diode in 110 nm Standard CMOS Image Sensor Technology
Presenter: Doyoon Eom (Korea Institute of Science and Technology – KIST) - P1.03 – Room temperature 96×96 InGaAs/InP SPAD array for SWIR imaging
Presenter: Pascal Rustige (Fraunhofer HHI) - P1.04 – New Crosstalk Insight and Characterization Methods in CMOS based SPADs
Presenter: Julia Kölbel (Elmos Semiconductor SE) - P1.05 – Test Bench for Characterization of CMOS SPADs
Presenter: Joo-Hyun Kim (Korea Institute of Science and Technology – KIST) - P1.06 – Radiation Damage on SiPM for High Energy Physics Experiments in space missions
Presenter: Celeste Guerrisi (Politecnico di Bari) - P1.07 – Glass-free SiPMs with Through Silicon Vias for VUV/NUV light detection
Presenter: Jacopo Dalmasson (Fondazione Bruno Kessler – FBK) - P1.08 – Position-Sensitive Silicon Photomultiplier Array with enhanced position reconstruciton by means of a Deep Neural Network
Presenter: Cyril M Alispach (Université de Genève) - P1.09 – Fabrication method of SPAD sensor for automotive LiDAR to compensate the process fluctuation by feedforward system
Presenter: Yoshiaki Tashiro (Sony Semiconductor Solutions Corporation) - P1.10 – Extended Dynamic Range SPAD Front-End Using Near-Threshold Inverter-Based Comparator
Presenter: Maciej Wojtkiewicz (University of Edinburgh) - P1.11 – A 1.8-µm pitch, 47-ps jitter SPAD Array in 130nm SiGe BiCMOS Process
Presenter: Feng Liu (EPFL/Microparity) - P1.12 – Histogram-less SPAD/SiPM-based dTOF imaging with parallel ML processing
Presenter: Tommaso Milanese (EPFL) - P1.13 – Linearized SPAD response for high photon flux and histogram-less d-ToF systems
Presenter: Alessandro Tontini (Fondazione Bruno Kessler – FBK) - P1.14 – Towards arbitrary photon statistics characterization with realistic SPAD arrays
Presenter: Niki Di Giano (Politecnico di Milano) - P1.15 – Count-Free Single-Photon LiDAR with Equi-Depth Histograms: An FPGA Implementation
Presenter: Hayden T Galante (Portland State University) - P1.16 – Flash LiDAR for Bathymetry Using a 2D SPAD Array
Presenter: Eleonoor Bosch (CSEM) - P1.17 – 40-nm SPAD-Array System for Ultra-Fast Raman Spectroscopy
Presenter: Henri Haka (Politecnico di Milano) - P1.18 – Fluorescence Based Multi-Color Two-Dimensional Flow Cytometer Utilizing Masked SPAD Array
Presenter: Kunihiko Iizuka (University of Tokyo) - P1.19 – The Single Particle Avalanche Diode concept
Presenter: Fabrice Retiere (TRIUMF) - P1.20 – TCAD simulation of the inefficiency of a Single Electron Bipolar Avalanche Transistor (SEBAT) coupled to a THz detector
Presenter: Abderrezak Boughedda (Fondazione Bruno Kessler – FBK)
Day 2 – Wednesday, June 5, 2024
Session 7 – Poster session #2
15:35 Flash presentations (chair: Sara Pellegrini, co-chair: Alberto Tosi)
16:10 Poster session (2h)
- P2.01 – An Optimized SPAD Equivalent-Circuit Model
Presenter: Eo-Jin Kim (Korea Institute of Science and Technology – KIST) - P2.02 – AI-enhanced Non-Line of Sight Imaging
Presenter: Pierfrancesco Ulpiani (Leonardo SpA) - P2.03 – SPAD traceable detection efficiency measurement at INRIM
Presenter: Alice Meda (INRiM) - P2.04 – Traceable characterisation of free-space and fibre-coupled single-photon avalanche diodes
Presenter: Luke Arabskyj (National Physical Laboratory) - P2.05 – Front-Side Photon Detection improvement of SPAD integrated in FD-SOI CMOS Technology thanks to STI patterning
Presenter: Francis Calmon (INSA Lyon – INL) - P2.06 – NIR–Sensitivity Enhancement of a Back-Illuminated Single-Photon Avalanche Diode Through Backside Scattering Patterns
Presenter: Seyoung Yook (Korea Institute of Science and Technology – KIST) - P2.07 – Investigation of a novel zinc-diffusion process for the fabrication of InGaAs/InP single-photon avalanche diodes
Presenter: Andreas Woerl (Fraunhofer IAF) - P2.08 – A Backside-Illuminated SiPM Array with High NIR PDE for Automotive LIDAR Applications
Presenter: Tomer Leitner (onsemi) - P2.09 – Photon-to-Digital Converter Development: 3D Integration Progress and Characterization Platform
Presenter: Frédéric Vachon (Université de Sherbrooke) - P2.10 – Conceiving and designing high-performance TCSPC systems for biological and quantum imaging
Presenter: Serena Farina (Politecnico di Milano) - P2.11 – Beyond pile-up limits in Time Correlated Single Photon Counting: a new approach
Presenter: Giulia Acconcia (Politecnico di Milano) - P2.12 – An Asynchronous Peak Tracking Method for dToF LiDAR Histograms
Presenter: Yiyang Liu (University of Edinburgh) - P2.13 – Use of Switched Capacitors in timing-based SPAD Image Sensors
Presenter: Maarten Kuijk (Vrije Universiteit Brussel) - P2.14 – Utilizing Switched Capacitors in SPAD-Based Pixel for dToF
Presenter: Ayman Morsy (Vrije Universiteit Brussel) - P2.15 – SPAD LiDAR with RADAR Target Prediction
Presenter: Andre Henschke (Fraunhofer IMS) - P2.16 – Fluorescence Lifetime Imaging Ophthalmoscope: A Theoretical Study
Presenter: Jakub Nedbal (Occuity) - P2.17 – Red-Enhanced SPAD Sensor with 150-ps Gating for FLIM
Presenter: Augusto Carimatto (Pi Imaging Technology) - P2.18 – ANDESPix: A Digital SiPM for Muon Detectors
Presenter: Alexander F. Elsenhans (Karlsruhe Institute of Technology – KIT) - P2.19 – Ubiquitous Perception with Single-Photon Camera
Presenter: Sebastian Bauer (Ubicept) - P2.20 – Clinical translation of an early-photon imaging system for safe placement of feeding tubes
Presenter: András Kufcsák (Heriot-Watt University)