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Cristiano Niclass

Cette personne a quitté l’EPFL

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Publications associées (44)

Page 1 sur 3

Single-Photon Synchronous Detection

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

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

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

Design and characterization of a CMOS 3-D image sensor based on single photon avalanche diodes

Edoardo Charbon, Cristiano Niclass, Pierre-André Besse, Alexis Rochas

The design and characterization of an imaging system is presented for depth information capture of arbitrary three-dimensional (3-D) objects. The core of the system is an array of 32 × 32 rangefinding pixels that independently measure the time-of-flight of ...

2005

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

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

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 Single-Photon Detector Implemented in a130nm CMOS Imaging Process

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

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

Arrays of Single Photon Avalanche Diodes in CMOS Technology: Picosecond Timing Resolution for Range Imaging (INVITED)

Edoardo Charbon, Cristiano Niclass, Pierre-André Besse

A solid-state imager fabricated in CMOS technology is presented for depth information capture of arbitrary 3D objects with millimeter resolution. The system is based on an array of 32x32 pixels that independently measure the time-of-flight of a ray of ligh ...

2005

Controlling spectral response of photodetector for an image sensor

Edoardo Charbon, Cristiano Niclass

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

Pulsed light optical rangefinder

Edoardo Charbon, Cristiano Niclass

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

A Single Photon Avalanche Diode Array Fabricated in 0.35um CMOS and based on an Event-Driven Readout for TCSPC Experiments

Edoardo Charbon, Cristiano Niclass

The design and characterization of an imaging sensor based on single photon avalanche diodes is presented. The sensor was fully integrated in a 0.35µm CMOS technology. The core of the imager is an array of 4x112 pixels that independently and simultaneously ...

2006

A Single Photon Avalanche Diode Implemented in 130nm CMOS Technology

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

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

3D Imaging based on Single Photon Detectors

Edoardo Charbon, Cristiano Niclass

This paper introduces a mathematical model to evaluate fast and cost-effective 3D image sensors based on single photon detectors. The model will help engineers evaluate design parameters based on operating conditions and system performance. Ranging is base ...

2007

Particle Shadow Tracking - Combining Magnetic Particle Manipulation with In-Situ Optical Detection in a CMOS Microsystem

Edoardo Charbon, Martinus Adela Maria Gijs, Cristiano Niclass, Ulrike Lehmann

We present a hybrid CMOS based microsystem where magnetic actuation of microparticles is combined with integrated optical detection via Single Photon Avalanche Diodes (SPADs). The system’s configuration permits the manipulation and detection of single magn ...

2007

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

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

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

A single photon detector array with 64x64 resolution and millimetric depth accuracy for 3D imaging

Edoardo Charbon, Cristiano Niclass

An avalanche photodiode array uses single-photon counting to perform time-of-flight range-finding on a scene uniformly hit by 100ps 250mW uncollimated laser pulses. The 32x32 pixel sensor, fabricated in a 0.8μm CMOS process uses a microscanner package to e ...

2005

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

CMOS imager based on single photon avalanche diodes

Edoardo Charbon, Radivoje Popovic, Cristiano Niclass, Pierre-André Besse, Alexis Rochas

In this paper we report on a 32×32 optical imager based on single photon avalanche diodes integrated in CMOS technology. The maximum measured dynamic range is 120dB and the minimum noise equivalent intensity is 1.3×-3lx. The minimum integration time per pi ...

2005

Single photon detector and associated methods for making the same

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

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 concept for a low-cost Earth sensor: Imaging oxygen airglow with arrays of single photon detectors

Edoardo Charbon, Herbert Shea, Cristiano Niclass, Noémy Scheidegger

This paper presents a novel concept for a compact low-cost Earth sensor based on imaging atmospheric oxygen emission at 762nm using arrays of single photon avalanche diodes (SPADs). In both nighttime and daytime there is continuous emission at 762nm due to ...

2007

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

Edoardo Charbon, Martinus Adela Maria Gijs, Cristiano Niclass, Ulrike Lehmann, Emile Dupont

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 ...

Elsevier2008

Particle-Shadow Tracking – Combining Magnetic Particle Manipulation with In-Situ Optical Detection in a CMOS Microsystem

Edoardo Charbon, Martinus Adela Maria Gijs, Cristiano Niclass, Ulrike Lehmann

2007