Alessandro Trenti
PhD
SPIE Involvement:
Author
Area of Expertise:
quantum optics , silicon photonics , nonlinear optics
Websites:
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 Presentation
Proc. SPIE. 10921, Integrated Optics: Devices, Materials, and Technologies XXIII
KEYWORDS: Second-harmonic generation, Modulation, Waveguides, Crystals, Interfaces, Silicon, Physics, Harmonic generation, Electro optics, Nonlinear crystals

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

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

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

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

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