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Photonic Quantum Computing

Near-perfect quantum teleportation between continuous and discrete encodings

arXiv
Authors: Ravi Kamal Pandey, Shraddha Singh, Dhiraj Yadav, Devendra Kumar Mishra

Year

2026

Paper ID

4545

Status

Preprint

Abstract Read

~2 min

Abstract Words

100

Citations

N/A

Abstract

Quantum teleportation between polarized single-photon and phase-opposite coherent states is studied using a hybrid entangled resource and entangled coherent states. The polarized single-photon qubit represents a discrete-variable (DV) quantum system, whereas the phase-opposite coherent-state qubit constitutes a continuous-variable (CV) system. While teleportation from CV to DV can be achieved with near-unit success probability, the reverse process is usually limited to a maximum success probability of 1/2. We demonstrate that, by employing cross-Kerr nonlinearity together with passive linear optical components such as polarizing beam splitters, beam splitters, and phase shifters, almost perfect teleportation from DV to CV encodings can also be achieved.

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  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • Quantum teleportation between polarized single-photon and phase-opposite coherent states is studied using a hybrid entangled resource and entangled coherent states.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.17306 [2] arXiv https://arxiv.org/abs/2602.17306 [3] Publisher https://arxiv.org/abs/2602.17306

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