Alessandro Trenti
PhD at
SPIE Involvement:
Area of Expertise:
quantum optics , silicon photonics , nonlinear optics
Profile Summary

I am an experimental physicist involved in quantum optics experiments within the SiQuro project, at the University of Trento, Italy.
In particular, by means of optical nonlinear effects, we generate entangled photon pairs, which are the revealed thanks to single-photon detectors. The typical measurement performed is a coincidence measurement. We work either in integrated or free space set-up.
In the last months I was focused in this kind of measurement in the Mid Infrared part of the electromagnetic spectrum, that is to say at a wavelength of about 3 micron. The challenge of this work is to find a suitable single-photon detector in the MIR, which is a task not trivial at all.
Generally I am interest in studying optical nonlinear phenomena, within the field of quantum photonics and silicon photonics (even not quantum!).
Recently I won the best student paper presentation at SPIE's Photonics Europe International Symposia held 3-7 April 2016 in Brussels (Belgium), in the section: Nonlinear Optics and its Applications. The title of my contribution was: "One and two-photon quantum interference in a Mach-Zehnder interferometer", which was published in the SPIE Conference Proceedings.
Publications (5)

Proceedings Article | 4 March 2019
Proc. SPIE. 10921, Integrated Optics: Devices, Materials, and Technologies XXIII
KEYWORDS: Silicon, Waveguides, Physics, Second-harmonic generation, Interfaces, Crystals, Nonlinear crystals, Harmonic generation, Electro optics, Modulation

Proceedings Article | 23 May 2018
Proc. SPIE. 10684, Nonlinear Optics and its Applications 2018
KEYWORDS: Resonators, Microrings, Four wave mixing, Integrated optics, Silicon photonics, Waveguides, Quantum efficiency, Light wave propagation, Geometrical optics, Microresonators

Proceedings Article | 15 February 2018
Proc. SPIE. 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII
KEYWORDS: Photons, Crystals, Nonlinear crystals, Single photon detectors, Quantum efficiency, Mid-IR

Proceedings Article | 29 August 2017
Proc. SPIE. 10358, Quantum Photonic Devices
KEYWORDS: Silicon, Mid-IR, Waveguides, Photons, Second-harmonic generation, Signal detection, Harmonic generation, Nonlinear optics, Crystals, Nonlinear crystals

Proceedings Article | 27 April 2016
Proc. SPIE. 9894, Nonlinear Optics and its Applications IV
KEYWORDS: Beam splitters, Interferometers, Nonlinear optics, Phase velocity, Mach-Zehnder interferometers, Quantum optics, Photodetectors, Transmittance, Single photon, Sensors, Electroluminescent displays

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