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

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

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

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

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

RTS Noise Characterization in Single-Photon Avalanche Diodes

Edoardo Charbon, Lucio Carrara, Cristiano Niclass, 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

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

2009

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

Edoardo Charbon, Cristiano Niclass

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

Edoardo Charbon, Cristiano Niclass

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