Quantum Three-Pass protocol: Key distribution using quantum superposition states

  • Kanamori Y
  • Yoo S
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This letter proposes a novel key distribution protocol with no key exchange in advance, which is secure as the BB84 quantum key distribution protocol. Our protocol utilizes a photon in superposition state for single-bit data transmission instead of a classical electrical/optical signal. The security of this protocol relies on the fact, that the arbitrary quantum state cannot be cloned, known as the no-cloning theorem. This protocol can be implemented with current technologies.

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  • Cryptography and Security

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  • Yoshito Kanamori

  • Seong-Moo Yoo

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