Practical realization of a quantum cryptography protocol exploiting polarization encoding in qutrits
Gleb Maslennikov, Andrei A. Zhukov, Maria V. Chekhova, S. P. Kulik · Journal of Optics B Quantum and Semiclassical Optics · 2003
We propose and discuss a specific scheme allowing realization of a quantum cryptography qutrit protocol. This protocol exploits the polarization properties of single-frequency and single-spatial-mode biphotons.