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Quantum optics has become a key field of development for investigations of quantum physics principles, leading to novel quantum technologies. In this view Integrated Optics allows implementing complex quantum circuits that can give rise to significant outcomes, difficult to reach using traditional approaches based on discrete components. In this framework, a non-linear Mach-Zehnder Interferometer (MZI) was implemented by using two commercial 50:50 directional fibre couplers. One of the MZI arms was equipped with a single mode Er:LiNbO3 optical waveguide, acting as non-linear component whereas the other MZI arm was provided with an undoped LiNbO3 single mode optical waveguide, used to obtain a phase shift through the application of a controlled voltage ramp. The injection in the MZI of a 980nm wavelength laser radiation allowed to collect structured interferogrammes, that could be ascribed …
International Society for Optics and Photonics
Publication date: 
16 May 2017

Marco Chiarini, Gian G Bentini, Agostino Desalvo

Biblio References: 
Volume: 10230 Pages: 1023004
Quantum Optics and Quantum Information Transfer and Processing 2017