Measuring Wigner functions of quantum states of light in the undergraduate lab

Juan R. Álvarez; Andrés Martínez Silva; Alejandra Valencia

doi:10.1117/12.2666765

28 June 2023 Measuring Wigner functions of quantum states of light in the undergraduate lab

Juan R. Álvarez, Andrés Martínez Silva, Alejandra Valencia

Proceedings Volume 12723, Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023; 127232U (2023) https://doi.org/10.1117/12.2666765
Event: Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023, 2023, Cocoa Beach, Florida, United States

Abstract

We present an educational activity for measuring Wigner distribution functions of quantum states of light in the undergraduate laboratory. The activity was implemented by undergraduate students in different courses of the undergraduate curriculum, and the resulting activity was tested by different students of an introductory Quantum Optics course at the Universidad de los Andes in Bogotá, Colombia. The activity consists of a two-hour laboratory practice where students work in a pre-aligned experimental setup and then use an open-access, custom made computational graphical user interface that enables the reconstruction of the Wigner distribution function. Since the testing of the activity coincided with the COVID-19 pandemic, the possibility of analyzing simulated data was included in the computational user interface. The activity is now running for in-person classes and its virtual feature is now valuable for the implementation of distance learning of Quantum Optics.

Citation Download Citation

Juan R. Álvarez, Andrés Martínez Silva, and Alejandra Valencia "Measuring Wigner functions of quantum states of light in the undergraduate lab", Proc. SPIE 12723, Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023, 127232U (28 June 2023); https://doi.org/10.1117/12.2666765

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KEYWORDS

Wigner distribution functions

Quantum light

Quantum optics experiments

Homodyne detection

Quantum optics

Quantum states

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