English

Superdense coding over optical fiber links with complete Bell-state measurements

Quantum Physics 2017-02-08 v1

Abstract

Adopting quantum communication to modern networking requires transmitting quantum information through fiber-based infrastructure. We report the first demonstration of superdense coding over optical fiber links, taking advantage of a complete Bell-state measurement enabled by time-polarization hyperentanglement, linear optics, and common single-photon detectors. We demonstrate the highest single-qubit channel capacity to date utilizing linear optics, 1.665±0.0181.665 \pm 0.018, and we provide a full experimental implementation of a hybrid, quantum-classical communication protocol for image transfer.

Keywords

Cite

@article{arxiv.1609.00713,
  title  = {Superdense coding over optical fiber links with complete Bell-state measurements},
  author = {Brian P. Williams and Ronald J. Sadlier and Travis S. Humble},
  journal= {arXiv preprint arXiv:1609.00713},
  year   = {2017}
}

Comments

5 pages, 6 figures

R2 v1 2026-06-22T15:38:57.188Z