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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

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Deterministic Quantum Dense Coding Based on Non-Maximal Entangled Channel.

Xuanxuan Xin¹, Zhixing Li², Zhen Wang³

¹College of Arts and Science, Qingdao Binhai University, Qingdao 266555, China.

Entropy (Basel, Switzerland)

|February 26, 2025

Summary

This summary is machine-generated.

This study introduces a deterministic quantum dense coding scheme using non-maximally entangled states. It enhances communication efficiency by eliminating the need for retransmissions, improving upon probabilistic methods.

Keywords:

non-maximally entangled channel quantum communication quantum dense coding

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Area of Science:

Quantum Information Science
Quantum Communication Protocols

Background:

Traditional dense coding uses maximally entangled states.
Probabilistic dense coding with non-maximally entangled states requires feedback and retransmissions, reducing efficiency.

Purpose of the Study:

To develop a deterministic quantum dense coding scheme using non-maximally entangled states.
To enhance quantum communication efficiency and overcome limitations of probabilistic methods.

Main Methods:

Proposed a novel deterministic quantum dense coding protocol.
Utilized non-maximally entangled states as the quantum channel.

Main Results:

Achieved deterministic information transfer without retransmissions.
Significantly enhanced communication efficiency compared to probabilistic schemes.
Maintained compatibility with non-maximally entangled states.

Conclusions:

The proposed deterministic scheme offers a substantial improvement for quantum communication.
Paves the way for more efficient and reliable quantum communication protocols.