Secure direct communication using deterministic BB84 protocol

Tzone-Lih Hwang, Chuan Ming Li, Narn Yih Lee

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

This paper presents a deterministic BB84 (dBB84) protocol that not only inherits the unconditional security of the original BB84 protocol but also enables the receiver to deterministically measure and decode all qubits sent by the sender. The proposed dBB84 protocol is then extended to be a deterministic secure quantum communication (DSQC) protocol wherein the sender can securely transmit secret messages to the receiver via quantum channels and the receiver can read out the secret messages only after receiving an additional classical bit for each qubit from the sender. In contrast to the existing single-photon-based secure communication protocols, which require the sender to either prepare two-qubit photon states or to establish two-way quantum channels with the receiver, the newly proposed protocol requires the sender to prepare single-qubit photon states for message transmissions and only set up one-way quantum channels to the receiver. Therefore, the proposed protocol is very suitable and feasible in practical applications.

Original languageEnglish
Pages (from-to)625-635
Number of pages11
JournalInternational Journal of Modern Physics C
Volume19
Issue number4
DOIs
Publication statusPublished - 2008 Apr 1

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Qubit
Receiver
receivers
communication
Quantum Channel
Network protocols
messages
Communication
Photon
Secure Communication
Communication Protocol
Photons
photons
Unconditional Security
Quantum Communication
quantum communication
Decode
Quantum communication
Secure communication

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)
  • Computer Science Applications
  • Computational Theory and Mathematics

Cite this

Hwang, Tzone-Lih ; Li, Chuan Ming ; Lee, Narn Yih. / Secure direct communication using deterministic BB84 protocol. In: International Journal of Modern Physics C. 2008 ; Vol. 19, No. 4. pp. 625-635.
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Secure direct communication using deterministic BB84 protocol. / Hwang, Tzone-Lih; Li, Chuan Ming; Lee, Narn Yih.

In: International Journal of Modern Physics C, Vol. 19, No. 4, 01.04.2008, p. 625-635.

Research output: Contribution to journalArticle

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