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The Continuous-Variable (CV) quantum state of light allows for theteleportation of a Discrete-Variable (DV) photonic qubit. Such an operation isuseful in the realm of hybrid quantum networks. However, it is known that theteleportation of a DV qubit via a Gaussian CV resource channel is severelylimited under channel loss, with a teleportation fidelity beyond the classicallimit unattainable for losses exceeding a small threshold of 0.5 dB. In thiswork, we present a new non-deterministic teleportation protocol that combines aGaussian CV resource channel with a modified form of the Bell State Measurementthat accommodates a DV-qubit fidelity beyond the classical limit for channellosses up to 20~dB. Beyond this orders of magnitude improvement, we also showhow the use of non-Gaussian operations on the CV resource channel can lead to aDV-qubit fidelity approaching unity for any channel loss.

On the Teleportation of Discrete Variable Qubits Via Continuous Variable Lossy Channels