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Quantum Breakthrough: New Cipher Enhances Secure Communication

10/11/2025

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Summary

Story summary

Tamagawa University researchers have developed a theoretical framework that extends Shannon's information theory into the quantum realm and introduces a perfect secure cipher.
The framework overcomes limitations of conventional systems without sacrificing efficiency or security.
The research outlines strategies for transmitting information through noisy quantum channels and highlights entangled states as vital to secure communication.

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Story summary

Tamagawa University researchers have developed a theoretical framework that extends Shannon's information theory into the quantum realm and introduces a perfect secure cipher.
The framework overcomes limitations of conventional systems without sacrificing efficiency or security.
The research outlines strategies for transmitting information through noisy quantum channels and highlights entangled states as vital to secure communication.