This work deliberately introduces collective-rotation noise into quantum states to prevent an intercept-resend attack on Zhang's quantum secret sharing scheme over a collective-noise quantum channel (Zhang in Phys A 361:233-238, 2006). The noise recovering capability of the scheme remains intact. With this design, the quantum bit efficiency of the protocol is doubled when compared to Sun et al.'s improvement on Zhang's scheme (Sun et al. in Opt Commun 283:181-183, 2010).
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Statistical and Nonlinear Physics
- Theoretical Computer Science
- Signal Processing
- Modelling and Simulation
- Electrical and Electronic Engineering