Dual Quantum Zeno Superdense Coding

Scientific Reports
Fakhar ZamanHyundong Shin

Abstract

Quantum superdense coding enables a sender to encode a two-bit classical message in one qubit using the preshared entanglement. In this paper, we develop a superdense coding protocol using a dual quantum Zeno (DQZ) gate to take the full advantage of quantum superdense coding from the complete Bell-state analysis. We verify that the DQZ gate allows remote parties to achieve the distinguishability of orthonormal Bell states in a semi-counterfactual manner and the DQZ superdense coding achieves high throughput efficiency as a function of cycle numbers for the Bell-state analyzer.

References

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Feb 18, 2017·Physical Review Letters·Brian P WilliamsTravis S Humble
Oct 4, 2018·Scientific Reports·Fakhar ZamanHyundong Shin

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