Teleportation protocols with non-Gaussian operations: conditional photon subtraction versus cubic phase gate
arXiv:2210.04531 · doi:10.1103/PhysRevA.107.022422
Abstract
In our work, we compare three teleportation protocols: the original protocol, the photon subtraction protocol, and the protocol with a cubic phase gate. We evaluate the fidelity of each protocol using the example of teleportation of the squeezed state and the Schrodinger's cat state. We show that, under equal conditions, the teleportation scheme with a cubic phase gate achieves significantly higher fidelity than the other protocols considered.
8 pages, 6 figures
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- Performance optimization of continuous variable quantum teleportation with generalized photon-varying non-Gaussian operations
- Estimation of the set of states obtained in particle number measurement schemes
- Comparison of Controlled-Z operation and beam-splitter transformation for generation of squeezed Fock states by measurement