Publications by Cristiano Niclass

Pulsed light optical rangefinder

An optical rangefinder based on time-of-flight measurement, radiates pulsed light toward an object (70), and receives reflected light from the object, the receiver operating in a photon counting mode, so as to generate a pulse for a detected photon. There ...

2016

Method and arrangement for measuring the distance to an object

Cristiano Niclass

Arrangement (10) for measuring the distance to an object, comprising: a photonic source for illuminating said object using a continuous modulated photonic wave, a solid-state image sensor, comprising an array of avalanche photodiodes and a plurality of cir ...

2013

3D Near-infrared Imaging based on a Single-photon Avalanche Diode Array Sensor

Claudio Favi, Cristiano Niclass, Edoardo Charbon, Juan Mata Pavia, Matthias Wolf

A new imager for 3D near-infrared imaging has been designed based on a single-photon avalanche diode (SPAD) imager with 128x128 pixels capable of performing time-resolved measurements with a resolution of 97ps. The imager linearity has been improved to mak ...

2011

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

Controlling spectral response of photodetector for an image sensor

Cristiano Niclass, Edoardo Charbon

A method for controlling the spectral response of light sensitive semiconductor elements in an array (8) using an electric control signal (Vop) applied to said semiconductor elements. The light sensitive semiconductor elements could be a single photon aval ...

2010

RTS Noise Characterization in Single-Photon Avalanche Diodes

Cristiano Niclass, Edoardo Charbon, Lucio Carrara, Mohammad Azim Karami, Matthew Fishburn

Random telegraph signal (RTS) behavior is reported and characterized in the dark count rate of single-photon avalanche Diodes (SPADs). The RTS is observed in a SPAD fabricated in 0.8-mu m CMOS technology and in four proton-irradiated SPADs designed and fab ...

Institute of Electrical and Electronics Engineers2010

Fast Fluorescence Dynamics in Non-ratiometric Calcium Indicators

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

2009

Time-of-flight based imaging system using a display as illumination source

Cristiano Niclass, Edoardo Charbon

The present invention concerns a time-of-flight based imaging system comprising a photon emitterused as an illumination source a photon sensor (6) an electronic system for delivering a signal depending on the reception time of photons by said photon detect ...

2009

Integrated circuit comprising an array of single photon avalanche diodes

Cristiano Niclass, Edoardo Charbon

Integrated circuit (1) comprising: an array of single photon avalanche diodes (SPADs), a plurality of read-out circuits, each SPADs being coupled to one read-out circuit, wherein at least some of the read-out circuits comprise time-to-digital converters (T ...

2009

Random Telegraph Signal in Single-Photon Avalanche Diodes

Cristiano Niclass, Mohammad Azim Karami

2009

Single-Photon Synchronous Detection

Claudio Favi, Cristiano Niclass, Edoardo Charbon, Frédéric Monnier, Ties Jan Henderikus Kluter

Phase and intensity of light are detected simultaneously using a fully digital imaging technique: single-photon synchronous detection. This approach has been theoretically and experimentally investigated in this paper. We designed a fully integrated camera ...

2009

A Variable Dynamic Range Single-Photon Imager Designed for Multi-Radiation Tolerance

Cristiano Niclass, Edoardo Charbon, Noémy Scheidegger, Herbert Shea, Lucio Carrara, Matthew Fishburn

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

Transducer for reading information stored on an optical record carrier, single photon detector based storage system and method for reading data from an optical record carrier

Cristiano Niclass, Edoardo Charbon

The invention relates to a method for preparing enantiomerically pure 4-pyrrolidinophenylbenzyl ether derivatives of formula I: wherein R, R, R, R, Rand n are as defined in the description and claims and to intermediates useful in the m ...

2009

Single-photon image sensors in CMOS : picosecond resolution for three-dimensional imaging

Cristiano Niclass

Among advanced electronic designs, vision systems are perhaps those that have undergone the most dramatic technological revolutions of the last decades. Recently, a new family of vision systems has emerged aimed at three-dimensional (3D) imaging. Many appl ...

EPFL2008

Experiments Supporting the Concept of a g(2) Camera

Cristiano Niclass, Dmitri Boiko, Edoardo Charbon

2008

Microparticle photometry in a CMOS microsystem combining magnetic actuation and in-situ optical detection

Martinus Gijs, Cristiano Niclass, Edoardo Charbon, Ulrike Lehmann, Emile Dupont, Stefano Pietrocola

We present a hybrid CMOS-based microfluidic system that combines magnetic actuation of microparticles with in situ optical detection using single photon avalanche diodes (SPADs). The decoupling of the principles used for actuation and sensing permits a hig ...

2008

Cristiano Niclass

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Pulsed light optical rangefinder

Method and arrangement for measuring the distance to an object

3D Near-infrared Imaging based on a Single-photon Avalanche Diode Array Sensor

Single photon detector and associated methods for making the same

Controlling spectral response of photodetector for an image sensor

RTS Noise Characterization in Single-Photon Avalanche Diodes

Fast Fluorescence Dynamics in Non-ratiometric Calcium Indicators

Time-of-flight based imaging system using a display as illumination source

Integrated circuit comprising an array of single photon avalanche diodes

Random Telegraph Signal in Single-Photon Avalanche Diodes

Single-Photon Synchronous Detection

A Variable Dynamic Range Single-Photon Imager Designed for Multi-Radiation Tolerance

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

Transducer for reading information stored on an optical record carrier, single photon detector based storage system and method for reading data from an optical record carrier

Single-photon image sensors in CMOS : picosecond resolution for three-dimensional imaging

Experiments Supporting the Concept of a g(2) Camera

Microparticle photometry in a CMOS microsystem combining magnetic actuation and in-situ optical detection

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

A Quantum Imager for Intensity Correlated Photons

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