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Communications in Theoretical Physics

Scheme for Realizing Probabilistic Teleportation of Bipartite Photonic States via Linear Optical Elements

Dong Ping, Lin Ji-Cheng, Yang Ming, Zhuo‐Liang Cao

Published Oct 1, 2006• 1 citation
Publisher

Abstract

We propose a probabilistic scheme for realizing teleportation of bipartite photonic states using linear optical elements where only requires a two-photon Bell state used as quantum channel. It reduces the requirement of the entanglement of quantum channel, but requires an additional photon and an auxiliary maximally entangled photon pair locally.

DOI
10.1088/0253-6102/46/4/013

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We propose a probabilistic scheme for realizing teleportation of bipartite photonic states using linear optical elements where only requires a two-photon Bell state used as quantum channel. It reduces the requirement of the entanglement of quantum channel, but requires an additional photon and an auxiliary maximally entangled photon pair locally.
This paper outlines a linear-optical protocol for the teleportation of bipartite entangled coherent states (ECSs) using maximally ECSs as quantum channels. The scheme relies on symmetric beam splitters, phase shifters, photon-number-resolved measurements, and conditional local phase operations. Successful teleportation is achieved probabilistically with a constant success rate of 50%, independent of the coherent-state amplitude [Formula: see text], and governed by the parity of the measurement outcomes. The absence of nonlinear optical processes or direct photon interactions renders the protocol experimentally feasible and scalable, making it suitable for applications in continuous-variable quantum communication, quantum information processing, and coherent-state entanglement distribution.