Avalanche terahertz photon detection in a Rydberg tweezer array

• URL: http://arxiv.org/abs/2311.16365v1
• Date: Mon, 27 Nov 2023 23:07:32 GMT
• Title: Avalanche terahertz photon detection in a Rydberg tweezer array
• Authors: Chris Nill, Albert Cabot, Arno Trautmann, Christian Gro{\ss} and Igor Lesanovsky
• Abstract summary: We propose a protocol for the amplified detection of low-intensity terahertz radiation using Rydberg tweezer arrays. During a sensing phase, it harnesses strong terahertz-range transitions between highly excited Rydberg states to capture individual terahertz photons. During an amplification phase, it exploits the Rydberg facilitation mechanism which converts a single terahertz photon into a substantial signal of Rydberg excitations.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We propose a protocol for the amplified detection of low-intensity terahertz radiation using Rydberg tweezer arrays. The protocol offers single photon sensitivity together with a low dark count rate. It is split into two phases: during a sensing phase, it harnesses strong terahertz-range transitions between highly excited Rydberg states to capture individual terahertz photons. During an amplification phase it exploits the Rydberg facilitation mechanism which converts a single terahertz photon into a substantial signal of Rydberg excitations. We discuss a concrete realization based on realistic atomic interaction parameters, develop a comprehensive theoretical model that incorporates the motion of trapped atoms and study the many-body dynamics using tensor network methods.

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