10-15 ottobre 2021
Europe/Rome timezone

A multimode framework to describe photon subtraction operation

11 ott 2021, 11:35
25m
Oral Session 1

Speaker

Mohamed Faouzi MELALKIA (Institut de Physique de Nice (INPHYNI) - Université Côte d'Azur - CNRS UMR 7010)

Description

Optical non-Gaussian quantum states can be generated in a heralded manner by applying a photon subtraction operation to a Gaussian input state. In our work, we develop a theoretical framework to describe this operation in the case where the input state is spectrally multimode. This framework allows the optimal design of photon subtraction experiments. We give the exact expression of the generated non-Gaussian state in the general case. We apply this framework to the case of Schrodinger kitten state generation using a multimode squeezed vacuum as input state. We show that the quality of the generated state (in terms of fidelity and Wigner function negativity) can be enhanced by adapting the different experimental parameters.

Primary authors

Mohamed Faouzi MELALKIA (Institut de Physique de Nice (INPHYNI) - Université Côte d'Azur - CNRS UMR 7010) Léandre BRUNEL (Institut de Physique de Nice (INPHYNI) - Université Côte d'Azur - CNRS UMR 7010) Sébastien TANZILLI (Institut de Physique de Nice (INPHYNI) - Université Côte d'Azur - CNRS UMR 7010) Jean ETESSE (Institut de Physique de Nice (INPHYNI) - Université Côte d'Azur - CNRS UMR 7010) Virginia D'AURIA (Institut de Physique de Nice (INPHYNI) - Université Côte d'Azur - CNRS UMR 7010)

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