Publications by Marek Gersbach

A Time-Resolved, Low-Noise Single-Photon Image Sensor Fabricated in Deep-Submicron CMOS Technology

Marek Gersbach, Edoardo Charbon, Matthew Fishburn, John Richard Walker

We report on the design and characterization of a novel time-resolved image sensor fabricated in a 130 nm CMOS process. Each pixel within the 32x32 pixel array contains a low-noise single-photon detector and a high-precision time-to-digital converter (TDC) ...

2012

Single photon detector and associated methods for making the same

Cristiano Niclass, Marek Gersbach, Edoardo Charbon

A semiconductor device includes a semiconductor substrate, a photon avalanche detector in the semiconductor substrate. The photon avalanche detector includes an anode of a first conductivity type and a cathode of a second conductivity type. A guard ring is ...

2010

A new single-photon avalanche diode in 90nm standard CMOS technology

Marek Gersbach, Edoardo Charbon, Mohammad Azim Karami, Hyungjune Yoon

We report on the first implementation of a single-photon avalanche diode (SPAD) in 90nm complementary metal oxide semiconductor (CMOS) technology. The detector features an octagonal multiplication region and a guard ring to prevent premature edge breakdown ...

Optical Society of America2010

Fast Fluorescence Dynamics in Non-ratiometric Calcium Indicators

Cristiano Niclass, Marek Gersbach, Dmitri Boiko, Edoardo Charbon, Carl Petersen

2009

Integrated receiving circuit and method for radiofrequency and high speed signals

Marek Gersbach, Edoardo Charbon

Integrated receiving circuit for radiofrequency signals comprising: an amplifying element (2) using the multiplication zone (5) of a reverse biased semiconductor junction (3, 4) operating in Geiger mode for amplifying an input radiofrequency signal (Vin) a ...

2009

Single-photon detector arrays for time-resolved fluorescence imaging

Marek Gersbach

Time-correlated single photon counting techniques have recently established themselves in numerous fields of research. In particular, for fluorescence lifetime imaging, time-correlated single photon counting is often considered the absolute reference in te ...

EPFL2009

A Parallel 32x32 Time-to-Digital Converter Array Fabricated in a 130nm Imaging CMOS Technology

Marek Gersbach, Edoardo Charbon

2009

A 32x32-Pixel Array with In-Pixel Photon Counting and Arrival Time Measurement in the Analog Domain

Marek Gersbach, Edoardo Charbon

2009

A 32x32 50ps Resolution 10 bit Time to Digital Converter Array in 130nm CMOS for time Correlated Imaging

Marek Gersbach, Edoardo Charbon

2009

A 32x32 50ps Resolution 10 bit Time to Digital Converter Array in 130nm CMOS for time Correlated Imaging

Marek Gersbach, Edoardo Charbon

2009

A Low-Noise Single-Photon Detector Implemented in a 130 nm CMOS Imaging Process

Cristiano Niclass, Marek Gersbach, Edoardo Charbon

We report on a new single-photon avalanche diode (SPAD) fabricated in a 130 nm CMOS imaging process. A novel circular structure combining shallow trench isolation (STI) and a passivation implant creates an effective guard ring against premature edge breakd ...

2009

A 128x128 Single-Photon Imager with on-Chip Column-Level 10bit Time-to-Digital-Converter Array

Claudio Favi, Cristiano Niclass, Marek Gersbach, Edoardo Charbon, Ties Jan Henderikus Kluter

2008

A 128x128 Single-Photon Imager with on-Chip Column-Level 10bit Time-to-Digital-Converter Array

Claudio Favi, Cristiano Niclass, Marek Gersbach, Edoardo Charbon, Ties Jan Henderikus Kluter

2008

A Single-Photon Detector Implemented in a130nm CMOS Imaging Process

Cristiano Niclass, Marek Gersbach, Edoardo Charbon

We report on a new single photon avalanche diode (SPAD) fabricated in a 130nm CMOS imaging process. A novel circular structure combining shallow trench isolation (STI) and a passivation implant creates an effective guard ring against premature edge breakdo ...

2008

A Study of the Effects of Gamma Radiation on CMOS Single-Photon Avalanche Diodes

Cristiano Niclass, Marek Gersbach, Edoardo Charbon, Noémy Scheidegger, Herbert Shea, Lucio Carrara

The paper reports on the effects of Gamma radiation to single-photon avalanche diodes (SPADs). To the best of our knowledge, this is the first study ever conducted on SPADs fabricated in CMOS technology. A typical CMOS SPAD consists of a pn junction revers ...

2008

Time-correlated Two-photon Fluorescence Imaging with Arrays of Solid-state Single Photon Detector

Cristiano Niclass, Marek Gersbach, Dmitri Boiko, Edoardo Charbon, Carl Petersen

This paper reports on our progress in developing two-photon fluorescence lifetime imaging microscopy (FLIM) based on time-correlated single-photon counting (TCSPC). The core of the system is a 2D array of solid-state single-photon avalanche diodes (SPADs) ...

2007

A Single Photon Avalanche Diode Implemented in 130nm CMOS Technology

Cristiano Niclass, Marek Gersbach, Edoardo Charbon

We report on the ﬁrst implementation of a single photon avalanche diode (SPAD) in 130 nm complementary metal–oxide–semiconductor (CMOS) technology. The SPAD is fabricated as p+/n-well junction with octagonal shape. A guard ring of p-well around the p+ anod ...

2007

A 130nm CMOS Single Photon Avalanche Diode

Cristiano Niclass, Marek Gersbach, Edoardo Charbon

The first implementation of a single photon avalanche diode (SPAD) is reported in 130nm CMOS technology. The SPAD is fabricated as p+/nwell junction with octagonal shape. Premature edge breakdown is prevented through a guard ring of p-well around the p+ an ...

2007

A Room Temperature CMOS Single Photon Sensor for Chemiluminescence Detection

Cristiano Niclass, Marek Gersbach, Edoardo Charbon

2006

Time-Correlated Fluorescence Microscopy using a Room Temperature Solid-State Single Photon Sensor

Cristiano Niclass, Marek Gersbach, Dmitri Boiko, Edoardo Charbon, Carl Petersen

2006