Related papers: Boosting energy-time entanglement using coherent time-delayed feedback

Boosting energy-time entanglement using coherent time-delayed feedback

URL: http://arxiv.org/abs/2103.02689v2
Date: Wed, 2 Jun 2021 10:24:17 GMT
Title: Boosting energy-time entanglement using coherent time-delayed feedback
Authors: Kisa Barkemeyer, Marcel Hohn, Stephan Reitzenstein, and Alexander Carmele
Abstract summary: We propose to control the visibility of the interference in the second-order coherence function by implementing a coherent time-delayed feedback mechanism. We find that the visibility for two photons emitted from a three-level system (3LS) in ladder configuration can be enhanced significantly for a wide range of parameters by slowing down the decay of the upper level of the 3LS.
Score: 58.720142291102135
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: The visibility of the two-photon interference in the Franson interferometer serves as a measure of the energy-time entanglement of the photons. We propose to control the visibility of the interference in the second-order coherence function by implementing a coherent time-delayed feedback mechanism. Simulating the non-Markovian dynamics within the matrix product state framework, we find that the visibility for two photons emitted from a three-level system (3LS) in ladder configuration can be enhanced significantly for a wide range of parameters by slowing down the decay of the upper level of the 3LS.

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