Coherent interface between optical and microwave photons on an integrated superconducting atom chip

• URL: http://arxiv.org/abs/2305.03550v1
• Date: Fri, 5 May 2023 13:59:15 GMT
• Title: Coherent interface between optical and microwave photons on an integrated superconducting atom chip
• Authors: David Petrosyan, J\'ozsef Fort\'agh, Gershon Kurizki
• Abstract summary: We propose to use a single-sheet sub-wavelength array of atoms as a switchable mirror to achieve a coherent interface between propagating optical photons and microwave photons. A driving laser couples the excited atomic state to Rydberg states with strong microwave transition. The presence or absence of a microwave photon in the superconducting cavity makes the atomic array transparent or reflective to the incoming optical pulses of proper frequency and finite bandwidth.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Sub-wavelength arrays of atoms exhibit remarkable optical properties, analogous to those of phased array antennas, such as collimated directional emission or nearly perfect reflection of light near the collective resonance frequency. We propose to use a single-sheet sub-wavelength array of atoms as a switchable mirror to achieve a coherent interface between propagating optical photons and microwave photons in a superconducting coplanar waveguide resonator. In the proposed setup, the atomic array is located near the surface of the integrated superconducting chip containing the microwave cavity and optical waveguide. A driving laser couples the excited atomic state to Rydberg states with strong microwave transition. Then the presence or absence of a microwave photon in the superconducting cavity makes the atomic array transparent or reflective to the incoming optical pulses of proper frequency and finite bandwidth.

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