Quantum Information Processing

, Volume 13, Issue 9, pp 2071–2080 | Cite as

Controlled secret sharing protocol using a quantum cloning circuit

  • Satyabrata Adhikari
  • Sovik Roy
  • Shantanav Chakraborty
  • Vinayak Jagadish
  • M. K. Haris
  • Atul Kumar


We demonstrate the possibility of controlling the success probability of a secret sharing protocol using a quantum cloning circuit. The cloning circuit is used to clone the qubits containing the encoded information and en route to the intended recipients. The success probability of the protocol depends on the cloning parameters used to clone the qubits. We also establish a relation between the concurrence of initially prepared state, entanglement of the mixed state received by the receivers after cloning scheme and the cloning parameters of cloning machine.


Secret sharing Quantum cloning Entanglement 


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Satyabrata Adhikari
    • 1
  • Sovik Roy
    • 2
    • 3
  • Shantanav Chakraborty
    • 1
  • Vinayak Jagadish
    • 4
  • M. K. Haris
    • 4
  • Atul Kumar
    • 1
  1. 1.Indian Institute of TechnologyJodhpurIndia
  2. 2.Techno IndiaSalt Lake City, KolkataIndia
  3. 3.S. N. Bose National Centre for Basic SciencesSalt Lake City, KolkataIndia
  4. 4.Indian Institute of Science Education and ResearchThiruvanathapuramIndia

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