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

Journal Article · · Physical Review Letters
 [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Computing Inst.

Adopting quantum communication to modern networking requires transmitting quantum information through a fiber-based infrastructure. In this paper, 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. Finally, 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.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE; US Army Research Laboratory (USARL)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1343530
Alternate ID(s):
OSTI ID: 1342449
Journal Information:
Physical Review Letters, Vol. 118, Issue 5; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 68 works
Citation information provided by
Web of Science

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Cited By (16)

The Linear Optical Unambiguous Discrimination of Hyperentangled Bell States Assisted by Time Bin journal August 2019
Advances in Quantum Dense Coding journal April 2019
Dual Quantum Zeno Superdense Coding journal August 2019
Photonic quantum information processing: a review journal November 2018
Complete measurement and multiplexing of orbital angular momentum Bell states journal August 2019
Recovering the full dimensionality of hyperentanglement in collinear photon pairs journal January 2020
Hyperentanglement of Photons Emitted by a Quantum Dot journal September 2018
Manipulation of eight-dimensional Bell-like states journal June 2019
Beating the channel capacity limit for superdense coding with entangled ququarts journal July 2018
Complete analysis of hyperentangled Bell states assisted with auxiliary hyperentanglement journal January 2019
Complete and faithful hyperentangled-Bell-state analysis of photon systems using a failure-heralded and fidelity-robust quantum gate journal January 2020
Hyperentanglement of photons emitted by a quantum dot
  • Prilmuller, Maximilian; Huber, Tobias; Muller, Markus
  • 2017 Conference on Lasers and Electro-Optics Europe (CLEO/Europe) & European Quantum Electronics Conference (EQEC), 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) https://doi.org/10.1109/cleoe-eqec.2017.8087340
conference June 2017
Hyper-Entanglement of Photons Emitted by a Quantum Dot conference January 2017
Photonic quantum information processing: a review text January 2018
Beating the channel capacity limit for superdense coding with entangled ququarts text January 2018
Dual Quantum Zeno Superdense Coding text January 2019

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