Related papers: Switch and Phase Shift of Photon Polarization Qubits via Double Rydberg Electromagnetically Induced Transparency

Switch and Phase Shift of Photon Polarization Qubits via Double Rydberg Electromagnetically Induced Transparency

URL: http://arxiv.org/abs/2401.06393v1
Date: Fri, 12 Jan 2024 06:15:23 GMT
Title: Switch and Phase Shift of Photon Polarization Qubits via Double Rydberg Electromagnetically Induced Transparency
Authors: Ou Yao and Huang Guoxiang
Abstract summary: We show that by storing a gate photon in a Rydberg state a deep and tunable potential for a photon polarization qubit can be achieved. We also demonstrate that such a scheme can be utilized to detect weak magnetic fields.
Score: 0.0
License: http://creativecommons.org/licenses/by/4.0/
Abstract: We propose and analyze a scheme for manipulating the propagation of single photon pulses with two polarization components in a Rydberg atomic gas via double electromagnetically induced transparency. We show that by storing a gate photon in a Rydberg state a deep and tunable potential for a photon polarization qubit can be achieved based on strong Rydberg interaction. We also show that the scheme can be used to realize all-optical switch in dissipation regime and generate a large phase shift in dispersion regime for the photon polarization qubit. Moreover, we demonstrate that such a scheme can be utilized to detect weak magnetic fields. The results reported here are not only beneficial for understanding the quantum optical property of Rydberg atomic gases, but also promising for designing novel devices for quantum information processing.

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