LiDAR and 3D-stacked technologies for consumer, automotive and biomedical applications

Tuesday 12 March: 09.00 - 12.30 3.5-hour Workshop

Workshop Content

The workshop focuses on conventional and photon-counting technologies behind the increasing success of time-of-flight sensors, in particular LiDARs. We also look at other time-resolved imaging techniques and related applications, in a bottom-up approach. We discuss the challenges faced at sensor and system level, with emphasis to recent work on 3D-stacked solutions and on some key application targets involving LiDARs. Finally, a perspective on the future closes the workshop.

  • Introduction: From LiDAR basics to application challenges
  • Direct vs. indirect time-of-flight, flash vs. scanning, single-photon vs. conventional detection
  • Detector technologies, monolithic vs. 3D-stacked approaches
  • Sensor and system-level challenges
  • Current applications- consumer, automotive and biomedical
  • Future perspectives: non-line-of-sight, few-photon imaging, reconfigurable architectures, deep learning

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Your course presenters


Claudio Bruschini, Scientist & Lab Deputy,
EPFL (Ecole Polytechnique Fédérale de Lausanne)

Claudio Bruschini (Ecole Polytechnique Fédérale de Lausanne - EPFL) holds an MSc in high energy physics from the University of Genova and a PhD in Applied Sciences from the Free University of Brussels (VUB). He started his career with INFN (Italy), then moved to CERN and eventually EPFL in 1995. He is now with EPFL’s Advanced Quantum Architecture (AQUA) laboratory, whose research mission is to model and develop hardware/software systems based on photonic/electronic quantum devices, high-speed and time-resolved 2D/3D optical sensing as well as their applications (medical, security, ranging), pushing the limits of CMOS technology, imaging architectures, and applications. He is co-author of over 120 articles and workshop/conference proceedings and one book.



Preethi Padmanabhan 
EPFL (Ecole Polytechnique Fédérale de Lausanne)

Preethi Padmanabhan (EPFL) received her B.E. degree in Electronics and Instrumentation Engineering from Anna University, Chennai, India in May 2014 and M.Sc. (cum laude and Honors) degree in Electrical Engineering from Delft University of Technology in the Netherlands, in August 2016. During her Masters study, in the summer of 2015, she worked as an analog circuit designer in the Advanced Detector Arrays, Systems, and Nanoscience Group at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, USA, where she implemented a CMOS readout circuit for UV avalanche photodiodes. From November 2016, she has been pursuing a Ph.D. degree in Microsystems and Microelectronics at Advanced Quantum Architecture Laboratory (AQUA) in EPFL, Switzerland. Her current research interests include analog and digital circuit design for SPAD-based time-of-flight image sensors in LiDAR applications, with focus on background-noise rejection and interference suppression.



Edoardo Charbon 
EPFL (Ecole Polytechnique Fédérale de Lausanne)

Edoardo Charbon received the Diploma from ETH Zurich, the M.S. from the University of California at San Diego, and the Ph.D. from the University of California at Berkeley in 1988, 1991, and 1995, respectively, all in electrical engineering and EECS. He has consulted with numerous organizations, including Bosch, X-Fab, Texas Instruments, Maxim, Sony, Agilent, and the Carlyle Group. He was with Cadence Design Systems from 1995 to 2000, where he was the Architect of the company's initiative on information hiding for intellectual property protection. In 2000, he joined Canesta Inc., as the Chief Architect, where he led the development of wireless 3-D CMOS image sensors. Since 2002 he has been a member of the faculty of EPFL, where is a full professor since 2015. From 2008 to 2016 he was with Delft University of Technology’s as Chair of VLSI design. He has been the driving force behind the creation of deep-submicron CMOS SPAD technology, which is mass-produced since 2015 and is present in telemeters, proximity sensors, and medical diagnostics tools. His interests span from 3-D vision, LiDAR, FLIM, FCS, NIROT to super-resolution microscopy, time-resolved Raman spectroscopy, and cryo-CMOS circuits and systems for quantum computing. He has authored or co-authored over 300 papers and two books, and he holds 21 patents. Dr. Charbon is a distinguished visiting scholar of the W. M. Keck Institute for Space at Caltech, a fellow of the Kavli Institute of Nanoscience Delft, a distinguished lecturer of the IEEE Photonics Society, and a fellow of the IEEE.