Deterministic generation of multi-photon bundles in a quantum Rabi model

• URL: http://arxiv.org/abs/2210.03619v2
• Date: Mon, 27 Mar 2023 08:09:59 GMT
• Title: Deterministic generation of multi-photon bundles in a quantum Rabi model
• Authors: Cheng Liu, Jin-Feng Huang, Lin Tian
• Abstract summary: We propose a scheme that generates multi-photon bundles via virtual excitations in a quantum Rabi model. We show that the driving pulses induce deterministic emission of multiple photons from the eigenstates of the quantum Rabi model. We calculate the generalized second-order correlation functions of the output photons, which reveal that the emitted photons form antibunched multi-photon bundles.
• Score: 7.475750944627122
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Multi-photon bundle states are crucial for a broad range of applications such as quantum metrology, quantum lithography, quantum communication, and quantum biology. Here we propose a scheme that generates multi-photon bundles via virtual excitations in a quantum Rabi model. Our approach utilizes a {\Xi}-type three-level atom, where the upper two levels are coupled to a cavity field to form a quantum Rabi model with ultrastrong coupling, and the transition between the lower two levels is driven by two sequences of Gaussian pulses. We show that the driving pulses induce deterministic emission of multiple photons from the eigenstates of the quantum Rabi model via the stimulated Raman adiabatic passage technique, and hence can create bundles of multiple photons on-demand in the cavity output field. We calculate the generalized second-order correlation functions of the output photons, which reveal that the emitted photons form antibunched multi-photon bundles.

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