Abstract

We consider implementation of a quantum teleportation protocol of an unknown qubit with an entangled hybrid state. Coherent components of the entangled hybrid state displace the teleported qubit at the same absolute but opposite in sign values, so that any information about the amount by which the qubit is displaced is lost despite the fact that one of these events has definitely occurred. Alice unambiguously distinguishes her measurement outcomes and Bob obtains at his disposal states of a single photon in superposition of two modes with controllable amplitude distortions. We consider the implementation of this protocol with a third participant who off-line prepares amplitude modulated (AM) unknown qubits and hands them to Alice for teleportation. In particular, highly unbalanced unknown qubits can be teleported with success probability close to 1. We also consider some ways of demodulating AM states by the receiver in order to increase the success probability of the teleportation of unknown qubits.

© 2018 Optical Society of America

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