QSources: Entangled photons

We have built a portable Bell Test together with an entangled photon source, following an original scheme proposed by Dehlinger and Mitchell (2002).

Goals:

• Bell test for future entangled photon sources

• Future academic laboratory

• Science popularization

Contributors:

• Raúl Lahoz, Dec 2022, intern from https://quantummasterbarcelona.eu 

• Martí Pedemonte, 2020, Collaboration grant internship, started designing the setup and produced the coincidence counting module. 

• Robert Benassai, 2021, intern, theory discussion [PDF].

• Alejandro Jaramillo, 2021, Master Thesis student [PDF], designed the mechanical pieces and put in place the current setup. 

• Abel Rojo Francàs (2020-), Theory discussion

Acknowledgments:

• Funding from Facultat de Física (Dean Prof. Atilà Herms)

• Donation from UAB Quantum Optics group (Prof. Jordi Mompart)

• Funding from Grant No. PID2020-114626GB-I00 MICINN 

Resources:

Undergraduate setup for measuring the Bell inequalities and performing Quantum State Tomography, Raul Lahoz Sanz, Lidia Lozano Martín, Adrià Brú i Cortés, Martí Duocastella, Jose M. Gómez Cama, Bruno Juliá-Díaz, https://arxiv.org/abs/2407.11570