Quantum secure communication via a W state

Jaewoo Joo*, Young Jai Park, Jinhyoung Lee, Jingak Jang, Inbo Kim

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Based on pair-wise entangled W states, we propose three variant protocols for quantum secure communication, i.e., quantum key distribution, partial quantum secret sharing, and their synthesis. By synthesis, we mean that both quantum key distribution and partial quantum secret sharing are executed in a single protocol. For these protocols, we discuss how to detect eavesdropping, including an intercept-resend attack by an eavesdropper.

Original languageEnglish
Pages (from-to)763-768
Number of pages6
JournalJournal of the Korean Physical Society
Issue number4
Publication statusPublished - 1 Apr 2005


  • entanglement
  • quantum key distribution
  • quantum secret sharing
  • W state


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