Non-Gaussian state teleportation with a nonlinear feedforward

• URL: http://arxiv.org/abs/2404.06438v2
• Date: Tue, 16 Apr 2024 09:10:56 GMT
• Title: Non-Gaussian state teleportation with a nonlinear feedforward
• Authors: Vojtěch Kala, Mattia Walschaers, Radim Filip, Petr Marek,
• Abstract summary: Measurement-induced quantum computation with continuous-variable cluster states utilizes teleportation propagating the states through the cluster accompanied by non-Gaussian measurements and feedforward control. We analyze such propagation of a quantum non-Gaussian state with nonlinear squeezing through a small cluster state and show that when a nonlinear feedforward is involved in the teleportation protocol, higher nonlinear squeezing can be transferred.
• Score: 0.5999777817331317
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Measurement-induced quantum computation with continuous-variable cluster states utilizes teleportation propagating the states through the cluster accompanied by non-Gaussian measurements and feedforward control. We analyze such propagation of a quantum non-Gaussian state with nonlinear squeezing through a small cluster state and show that when a nonlinear feedforward is involved in the teleportation protocol, higher nonlinear squeezing can be transferred. In a probabilistic regime, the improvement can be manifested even with current experimental resources. Better processing of non-Gaussian states can bring us closer to the necessary interplay between cluster states and non-Gaussianity required by quantum computing.

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