Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements

Brian P. Williams; Ronald J. Sadlier; Travis S. Humble

doi:10.1103/PhysRevLett.118.050501

Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements

Brian P. Williams
, Ronald J. Sadlier
, Travis S. Humble

Research output: Contribution to journal › Article › peer-review

115 Scopus citations

Abstract

Adopting quantum communication to modern networking requires transmitting quantum information through a 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±0.018, and we provide a full experimental implementation of a hybrid, quantum-classical communication protocol for image transfer.

Original language	English
Article number	050501
Journal	Physical Review Letters
Volume	118
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.118.050501
State	Published - Feb 1 2017

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10.1103/PhysRevLett.118.050501

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abstract = "Adopting quantum communication to modern networking requires transmitting quantum information through a 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±0.018, and we provide a full experimental implementation of a hybrid, quantum-classical communication protocol for image transfer.",

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AB - Adopting quantum communication to modern networking requires transmitting quantum information through a 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±0.018, and we provide a full experimental implementation of a hybrid, quantum-classical communication protocol for image transfer.

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Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements

Abstract

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